diff --git a/gcc/testsuite/gcc.target/riscv/simplify_ior_optimization.c b/gcc/testsuite/gcc.target/riscv/simplify_ior_optimization.c
index ec3bd0baf03f010c9484cfe5de46c1de147d1781..b94e1ee25ab70956360d71b4943753bfea3a6e9e 100644
--- a/gcc/testsuite/gcc.target/riscv/simplify_ior_optimization.c
+++ b/gcc/testsuite/gcc.target/riscv/simplify_ior_optimization.c
@@ -1,7 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-march=rv64gc -mabi=lp64 -O2" } */
 
-#include <stdint.h>
+#include "stdint-gcc.h"
 
 uint8_t test_simplify_ior_scalar_case_0 (uint8_t a)
 {