diff --git a/gcc/testsuite/gcc.target/i386/pr41900.c b/gcc/testsuite/gcc.target/i386/pr41900.c
index ac5f8636bbdf..83f74cd28e73 100644
--- a/gcc/testsuite/gcc.target/i386/pr41900.c
+++ b/gcc/testsuite/gcc.target/i386/pr41900.c
@@ -4,7 +4,7 @@
 
 int main ()
 {
-  unsigned code = 0xc3;
+  volatile unsigned code = 0xc3;
 
   ((void (*)(void)) &code) ();
   return 0;