diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index bed33a6..7cc5766 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -86,7 +86,7 @@
 # Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
 # Exit code chooses option. "$$TMP" is can be used as temporary file and
 # is automatically cleaned up.
-ifdef ENABLE_TRYRUN
+ifndef DISABLE_TRYRUN
 try-run = $(shell set -e;		\
 	TMP="$(TMPOUT).$$$$.tmp";	\
 	TMPO="$(TMPOUT).$$$$.o";	\