diff --git a/Makefile b/Makefile
index 6d7549439..ffffb1faf 100644
--- a/Makefile
+++ b/Makefile
@@ -1023,3 +1023,8 @@ docker:
 
 # This endif closes the if at the top of the file
 endif
+
+# Disable parallel execution because it would break some targets that don't
+# specify exact dependencies like 'backend' which does currently not depend
+# on 'frontend' to enable Node.js-less builds from source tarballs.
+.NOTPARALLEL: