diff --git a/libguestfs.spec b/libguestfs.spec
index 9b617ec..16bbbc9 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -56,11 +56,15 @@ Summary:       Access and modify virtual machine disk images
 Name:          libguestfs
 Epoch:         1
 Version:       1.45.2
-Release:       3%{?dist}
+Release:       4%{?dist}
 License:       LGPLv2+
 
 # Build only for architectures that have a kernel
 ExclusiveArch: %{kernel_arches}
+%if 0%{?rhel}
+# No qemu-kvm on POWER (RHBZ#1946532).
+ExcludeArch: %{power64}
+%endif
 
 # Source and patches.
 URL:           http://libguestfs.org/
@@ -1117,6 +1121,10 @@ rm ocaml/html/.gitignore
 
 
 %changelog
+* Tue Apr 20 2021 Richard W.M. Jones <rjones@redhat.com> - 1:1.45.2-4
+- No qemu-kvm on POWER on RHEL
+  resolves: rhbz#1946532
+
 * Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 1:1.45.2-3
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937