diff --git a/nbdkit.spec b/nbdkit.spec
index 36f21b9..6e1de1c 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -23,6 +23,18 @@
 # often broken on non-x86_64 arches.
 %global complete_test_arches x86_64
 
+%if 0%{?rhel} == 7
+# On RHEL 7, nothing in the virt stack is shipped on aarch64 and
+# libguestfs was not shipped on POWER (fixed in 7.5).  We could in
+# theory make all of this work by having lots more conditionals, but
+# for now limit this package to x86_64 on RHEL.
+ExclusiveArch:  x86_64
+%endif
+
+# The package is broken on armv7 because qemu is not installable.
+# https://bugzilla.redhat.com/show_bug.cgi?id=1778517
+ExcludeArch: %{arm}
+
 # If we should verify tarball signature with GPGv2.
 %global verify_tarball_signature 1
 
@@ -54,14 +66,6 @@ Patch1:        0001-tests-Run-just-built-nbdkit-not-installed-nbdkit.patch
 BuildRequires: autoconf, automake, libtool
 %endif
 
-%if 0%{?rhel} == 7
-# On RHEL 7, nothing in the virt stack is shipped on aarch64 and
-# libguestfs was not shipped on POWER (fixed in 7.5).  We could in
-# theory make all of this work by having lots more conditionals, but
-# for now limit this package to x86_64 on RHEL.
-ExclusiveArch:  x86_64
-%endif
-
 %ifnarch %{complete_test_arches}
 BuildRequires:  autoconf, automake, libtool
 %endif