diff --git a/tests/count-leading-trailing-zeros-5.ispc b/tests/count-leading-trailing-zeros-5.ispc
index f872d099..d68dc5e4 100644
--- a/tests/count-leading-trailing-zeros-5.ispc
+++ b/tests/count-leading-trailing-zeros-5.ispc
@@ -3,10 +3,10 @@ export uniform int width() { return programCount; }
 
 
 export void f_f(uniform float RET[], uniform float aFOO[]) {
-    unsigned int64 i = ((unsigned int64)1 << (50+programIndex));
+    unsigned int64 i = ((unsigned int64)1 << (40+programIndex));
     RET[programIndex] = count_trailing_zeros(i);
 }
 
 export void result(uniform float RET[]) {
-    RET[programIndex] = 50+programIndex;
+    RET[programIndex] = 40+programIndex;
 }