diff --git a/lisp/Makefile.in b/lisp/Makefile.in
index 113b5d2b17e..41a89d2075c 100644
--- a/lisp/Makefile.in
+++ b/lisp/Makefile.in
@@ -428,6 +428,7 @@ compile: autoloads compile-first
 # set the local variable no-byte-compile.
 compile-always:
 	find $(lisp) -name '*.elc' $(FIND_DELETE)
+	$(MAKE) -C ../src
 	$(MAKE) compile
 
 .PHONY: trampolines