diff --git a/configure b/configure
index 9f1f0f6882..4d23c9c57c 100755
--- a/configure
+++ b/configure
@@ -512,7 +512,7 @@ check_asm(){
     asm="$2"
     shift 2
     check_cc "$@" <<EOF && enable $name || disable $name
-int foo(void){ __asm__ volatile($asm); }
+void foo(void){ __asm__ volatile($asm); }
 EOF
 }