1 files changed, 1 insertions, 1 deletions
diff --git a/lib.mk b/lib.mk
index 6e02bc91299b..6bcd83a06e5f 100644
--- a/lib.mk
+++ b/lib.mk
@@ -60,7 +60,7 @@ include mk/tests.mk
 
 
 # Include all sub-Makefiles.
-define include-sub-makefile =
+define include-sub-makefile
   d := $$(patsubst %/,%,$$(dir $(1)))
   include $(1)
 endef