diff --git a/test/test-functions b/test/test-functions
index b154ace393..69921442ba 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -864,6 +864,7 @@ install_modules() {
 
     instmods loop
     instmods vfat
+    instmods nls_ascii =nls
     instmods dummy
 
     if [[ "$LOOKS_LIKE_SUSE" ]]; then