diff --git a/macros.python b/macros.python
index 15abf48..4fdab09 100644
--- a/macros.python
+++ b/macros.python
@@ -77,7 +77,7 @@
     --Obsoleting the previous default python package (if it doesn't have isa)
     if (string.sub(package, "-1") ~= ")") then
       print("\\nObsoletes: python-")
-      print(string.sub(package,10,string.len(package)))
+      print(string.sub(package,11,string.len(package)))
       print(" < " .. vr)
     end
   elseif (string.starts(package, "python")) then
diff --git a/macros.python-srpm b/macros.python-srpm
index b3a1247..ed41df4 100644
--- a/macros.python-srpm
+++ b/macros.python-srpm
@@ -25,10 +25,31 @@
     end\
 }
 
-# This specifies what packages are equal to the python3-... packages, in python_provide macro
-# E.g. in Fedora 32, python38-foo will provide python3-foo and vice versa
+# There are multiple Python 3 versions packaged, but only one can be the "main" version
+# That means that it owns the "python3" namespace:
+#     - python3 package name
+#     - /usr/bin/python3 command
+#     - python3-foo packages are meant for this version
+# Other versions of Python 3 always contain the version in the namespace:
+#     - python3.XX package name
+#     - /usr/bin/python3.XX command
+#     - python3.XX-foo packages (if allowed)
+#
+# Python spec files use the version defined here to determine defaults for the
+# %%py_provides and %%python_provide macros, as well as for the "pythonname" generator that
+# provides python3-foo for python3.XX-foo and vice versa for the default "main" version.
+# E.g. in Fedora 32, python3.8-foo will provide python3-foo,
+#                    python3-foo will provide python3.8-foo.
+#
+# There are two macros:
+#
+# This always contains the major.minor version (with dots), default for %%python3_version.
 %__default_python3_version 3.8
-%__default_python3_pkgversion %(echo %__default_python3_version | sed 's/\\.//')
+#
+# The pkgname version that determines the alternative provide name (e.g. python3.8-foo),
+# set to the same as above, but historically hasn't included the dot.
+# This is left intentionally a separate macro, in case the naming convention ever changes.
+%__default_python3_pkgversion %__default_python3_version
 
 # python3_pkgversion specifies the version of Python 3 in the distro.  It can be
 # a specific version (e.g. 34 in Fedora EPEL7)
diff --git a/python-rpm-macros.spec b/python-rpm-macros.spec
index bc687a7..f10aafb 100644
--- a/python-rpm-macros.spec
+++ b/python-rpm-macros.spec
@@ -1,6 +1,6 @@
 Name:           python-rpm-macros
 Version:        3.8
-Release:        6%{?dist}
+Release:        7%{?dist}
 Summary:        The common Python RPM macros
 
 # macros and lua: MIT, compileall2.py: PSFv2
@@ -107,6 +107,9 @@ install -m 644 compileall2.py %{buildroot}%{_rpmconfigdir}/redhat/
 
 
 %changelog
+* Thu May 07 2020 Miro Hrončok <mhroncok@redhat.com> - 3.8-7
+- Change %%__default_python3_pkgversion from 38 to 3.8
+
 * Tue May 05 2020 Miro Hrončok <mhroncok@redhat.com> - 3.8-6
 - Require recent enough SRPM macros from RPM macros, to prevent missing Lua files
 
diff --git a/tests/test_evals.py b/tests/test_evals.py
index e1d91e7..055426b 100644
--- a/tests/test_evals.py
+++ b/tests/test_evals.py
@@ -1,7 +1,7 @@
 import subprocess
 import sys
 
-XY = f'{sys.version_info[0]}{sys.version_info[1]}'
+X_Y = f'{sys.version_info[0]}.{sys.version_info[1]}'
 
 
 def rpm_eval(expression, **kwargs):
@@ -23,7 +23,7 @@ def test_python_provide_python3():
     lines = rpm_eval('%python_provide python3-foo', version='6', release='1.fc66')
     assert 'Obsoletes: python-foo < 6-1.fc66' in lines
     assert 'Provides: python-foo = 6-1.fc66' in lines
-    assert f'Provides: python{XY}-foo = 6-1.fc66' in lines
+    assert f'Provides: python{X_Y}-foo = 6-1.fc66' in lines
     assert len(lines) == 3
 
 
@@ -31,12 +31,12 @@ def test_python_provide_python3_epoched():
     lines = rpm_eval('%python_provide python3-foo', epoch='1', version='6', release='1.fc66')
     assert 'Obsoletes: python-foo < 1:6-1.fc66' in lines
     assert 'Provides: python-foo = 1:6-1.fc66' in lines
-    assert f'Provides: python{XY}-foo = 1:6-1.fc66' in lines
+    assert f'Provides: python{X_Y}-foo = 1:6-1.fc66' in lines
     assert len(lines) == 3
 
 
 def test_python_provide_python3X():
-    lines = rpm_eval(f'%python_provide python{XY}-foo', version='6', release='1.fc66')
+    lines = rpm_eval(f'%python_provide python{X_Y}-foo', version='6', release='1.fc66')
     assert 'Obsoletes: python-foo < 6-1.fc66' in lines
     assert 'Provides: python-foo = 6-1.fc66' in lines
     assert 'Provides: python3-foo = 6-1.fc66' in lines
@@ -44,7 +44,7 @@ def test_python_provide_python3X():
 
 
 def test_python_provide_python3X_epoched():
-    lines = rpm_eval(f'%python_provide python{XY}-foo', epoch='1', version='6', release='1.fc66')
+    lines = rpm_eval(f'%python_provide python{X_Y}-foo', epoch='1', version='6', release='1.fc66')
     assert 'Obsoletes: python-foo < 1:6-1.fc66' in lines
     assert 'Provides: python-foo = 1:6-1.fc66' in lines
     assert 'Provides: python3-foo = 1:6-1.fc66' in lines
@@ -56,7 +56,7 @@ def test_python_provide_doubleuse():
                      version='6', release='1.fc66')
     assert 'Obsoletes: python-foo < 6-1.fc66' in lines
     assert 'Provides: python-foo = 6-1.fc66' in lines
-    assert f'Provides: python{XY}-foo = 6-1.fc66' in lines
+    assert f'Provides: python{X_Y}-foo = 6-1.fc66' in lines
     assert len(lines) == 6
     assert len(set(lines)) == 3
 
@@ -77,7 +77,7 @@ def test_py_provides_python3():
     lines = rpm_eval('%py_provides python3-foo', version='6', release='1.fc66')
     assert 'Provides: python3-foo = 6-1.fc66' in lines
     assert 'Provides: python-foo = 6-1.fc66' in lines
-    assert f'Provides: python{XY}-foo = 6-1.fc66' in lines
+    assert f'Provides: python{X_Y}-foo = 6-1.fc66' in lines
     assert len(lines) == 3
 
 
@@ -85,21 +85,21 @@ def test_py_provides_python3_epoched():
     lines = rpm_eval('%py_provides python3-foo', epoch='1', version='6', release='1.fc66')
     assert 'Provides: python3-foo = 1:6-1.fc66' in lines
     assert 'Provides: python-foo = 1:6-1.fc66' in lines
-    assert f'Provides: python{XY}-foo = 1:6-1.fc66' in lines
+    assert f'Provides: python{X_Y}-foo = 1:6-1.fc66' in lines
     assert len(lines) == 3
 
 
 def test_py_provides_python3X():
-    lines = rpm_eval(f'%py_provides python{XY}-foo', version='6', release='1.fc66')
-    assert f'Provides: python{XY}-foo = 6-1.fc66' in lines
+    lines = rpm_eval(f'%py_provides python{X_Y}-foo', version='6', release='1.fc66')
+    assert f'Provides: python{X_Y}-foo = 6-1.fc66' in lines
     assert 'Provides: python-foo = 6-1.fc66' in lines
     assert 'Provides: python3-foo = 6-1.fc66' in lines
     assert len(lines) == 3
 
 
 def test_py_provides_python3X_epoched():
-    lines = rpm_eval(f'%py_provides python{XY}-foo', epoch='1', version='6', release='1.fc66')
-    assert f'Provides: python{XY}-foo = 1:6-1.fc66' in lines
+    lines = rpm_eval(f'%py_provides python{X_Y}-foo', epoch='1', version='6', release='1.fc66')
+    assert f'Provides: python{X_Y}-foo = 1:6-1.fc66' in lines
     assert 'Provides: python-foo = 1:6-1.fc66' in lines
     assert 'Provides: python3-foo = 1:6-1.fc66' in lines
     assert len(lines) == 3
@@ -110,7 +110,7 @@ def test_py_provides_doubleuse():
                      version='6', release='1.fc66')
     assert 'Provides: python3-foo = 6-1.fc66' in lines
     assert 'Provides: python-foo = 6-1.fc66' in lines
-    assert f'Provides: python{XY}-foo = 6-1.fc66' in lines
+    assert f'Provides: python{X_Y}-foo = 6-1.fc66' in lines
     assert len(lines) == 6
     assert len(set(lines)) == 3
 
@@ -120,5 +120,5 @@ def test_py_provides_with_evr():
                      version='6', release='1.fc66')
     assert 'Provides: python3-foo = 123' in lines
     assert 'Provides: python-foo = 123' in lines
-    assert f'Provides: python{XY}-foo = 123' in lines
+    assert f'Provides: python{X_Y}-foo = 123' in lines
     assert len(lines) == 3