diff --git a/Makefile b/Makefile
index 19b4f75d42c2..8a18fa1e19a7 100644
--- a/Makefile
+++ b/Makefile
@@ -432,7 +432,7 @@ HOSTCXX	= g++
 endif
 
 export KBUILD_USERCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \
-			      -O2 -fomit-frame-pointer -std=gnu89 \
+			      -O2 -fomit-frame-pointer -std=gnu11 \
 			      -Wdeclaration-after-statement
 export KBUILD_USERLDFLAGS :=