diff --git a/rpm/generic/zfs.spec.in b/rpm/generic/zfs.spec.in
index 711e6c751..2e89abd0e 100644
--- a/rpm/generic/zfs.spec.in
+++ b/rpm/generic/zfs.spec.in
@@ -19,6 +19,15 @@
 %endif
 %endif
 
+# Set the default _bashcompletiondir directory based on distribution.
+%if %{undefined _bashcompletiondir}
+%if 0%{?rhel}%{?fedora}%{?centos}%{?suse_version}%{?openEuler}
+%global _bashcompletiondir    /etc/bash_completion.d
+%else
+%global _bashcompletiondir    /usr/share/bash-completion
+%endif
+%endif
+
 # Set the default dracut directory based on distribution.
 %if %{undefined _dracutdir}
 %if 0%{?rhel}%{?fedora}%{?centos}%{?suse_version}%{?openEuler}