diff --git a/Makefile.common b/Makefile.common
index c5b0572..fa92014 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -172,7 +172,7 @@ autospec: preautospec-checks pullrebase localreponotice clean-old-content
 		--name $(PKG_NAME) \
 		--archives $(ARCHIVES) \
 		--mock-config $(MOCK_CONFIG_VAL) \
-		--mock-opts "$(MOCK_OPTS)" \
+		--mock-opts="$(MOCK_OPTS)" \
 		$${SETVERSION:+ --version $${SETVERSION}} \
 		$${NON_INTERACTIVE:+ --non_interactive} \
 		$${SKIP_GIT:+ --skip-git} \
diff --git a/Makefile.toplevel b/Makefile.toplevel
index 2ffa2bf..be6c085 100644
--- a/Makefile.toplevel
+++ b/Makefile.toplevel
@@ -215,7 +215,7 @@ autospecnew: preautospecnew-checks localreponotice
 			--name $(NAME) \
 			--archives $(ARCHIVES) \
 			--mock-config $(MOCK_CONFIG_VAL) \
-			--mock-opts "$(MOCK_OPTS)" \
+			--mock-opts="$(MOCK_OPTS)" \
 			$${SETVERSION:+ --version $${SETVERSION}} \
 			${NON_INTERACTIVE} ${SKIP_GIT} ${CLEANUP} \
 			$(URL); \