diff --git a/configure b/configure
index e41cf47129..d765698300 100755
--- a/configure
+++ b/configure
@@ -2571,6 +2571,8 @@ int main(void) {
         // just adding ebx to clobber list seems unreliable with some
         // compilers, e.g. Haiku's gcc 2.95
     );
+    // and the above check does not work for OSX 64 bit...
+    __asm__ volatile("":::"%ebx");
     return 0;
 }
 EOF