diff --git a/library/platform_util.c b/library/platform_util.c
index 498e214..1a57de9 100644
--- a/library/platform_util.c
+++ b/library/platform_util.c
@@ -26,7 +26,7 @@
 #include MBEDTLS_CONFIG_FILE
 #endif
 
-#include "mbedtls/utils.h"
+#include "mbedtls/platform_util.h"
 
 #include <stddef.h>
 #include <string.h>