diff --git a/library/stdarch/crates/core_arch/src/x86/sse2.rs b/library/stdarch/crates/core_arch/src/x86/sse2.rs
index 43faa8d58213..71a9299f2e04 100644
--- a/library/stdarch/crates/core_arch/src/x86/sse2.rs
+++ b/library/stdarch/crates/core_arch/src/x86/sse2.rs
@@ -3202,7 +3202,7 @@ mod tests {
 
     #[simd_test(enable = "sse2")]
     unsafe fn test_mm_clflush() {
-        let x = 0;
+        let x = 0_u8;
         _mm_clflush(&x as *const _);
     }