diff --git a/pypy3.spec b/pypy3.spec
index a30e912..e17f3a4 100644
--- a/pypy3.spec
+++ b/pypy3.spec
@@ -14,6 +14,11 @@ URL:            http://pypy.org/
 
 # High-level configuration of the build:
 
+# Build with -fcommon
+# https://bugzilla.redhat.com/show_bug.cgi?id=1796821
+# https://bitbucket.org/pypy/pypy/issues/3163
+%define _legacy_common_support 1
+
 # Whether to use RPM build wheels from the python-{pip,setuptools}-wheel package
 # Uses upstream bundled prebuilt wheels otherwise
 %bcond_without rpmwheels