diff --git a/testsuite/tests/codeGen/should_compile/T10518.cmm b/testsuite/tests/codeGen/should_compile/T10518.cmm
index 966cd4ab5363e976011f17214ce116f0722665da..cea46398bfd02d94b1bc779a210193ff63f7583a 100644
--- a/testsuite/tests/codeGen/should_compile/T10518.cmm
+++ b/testsuite/tests/codeGen/should_compile/T10518.cmm
@@ -1,5 +1,5 @@
 foo() {
     bits64 a;
-    a = 0x10000000000000000; // overflows 64 bits
+    a = (0x10000000000000000 :: bits64); // overflows 64 bits
     return (a);
 }