diff --git a/firefox.spec b/firefox.spec
index 2aeb0f9..efba038 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -48,13 +48,13 @@ end}
 %global bundle_nss        0
 
 %if 0%{?rhel} == 8
-  %if %{rhel_minor_version} < 8
+  %if %{rhel_minor_version} && %{rhel_minor_version} < 8
     %global bundle_nss        1
     %global system_nss        1
   %endif
 %endif
-%if 0%{?rhel} >= 9
-  %if %{rhel_minor_version} < 2
+%if 0%{?rhel} == 9
+  %if %{rhel_minor_version} && %{rhel_minor_version} < 2
     %global bundle_nss        1
     %global system_nss        1
   %endif