diff --git a/gcc/testsuite/gcc.target/aarch64/pr99808.c b/gcc/testsuite/gcc.target/aarch64/pr99808.c
index 4d7edab5c37..713360f69d4 100644
--- a/gcc/testsuite/gcc.target/aarch64/pr99808.c
+++ b/gcc/testsuite/gcc.target/aarch64/pr99808.c
@@ -8,7 +8,7 @@
 float32x4_t
 foo (void)
 {
-  float64x2_t arg2 = vcombine_f64 ((float64x1_t) 0UL, (float64x1_t) 1UL);
-  return vcvt_high_f32_f64 ((float32x2_t) 1UL, arg2);
+  float64x2_t arg2 = vcombine_f64 ((float64x1_t) 0ULL, (float64x1_t) 1ULL);
+  return vcvt_high_f32_f64 ((float32x2_t) 1ULL, arg2);
 }