diff --git a/library/pkparse.c b/library/pkparse.c
index 483176a..e3d84c2 100644
--- a/library/pkparse.c
+++ b/library/pkparse.c
@@ -54,7 +54,7 @@
 #endif
 
 #if defined(MBEDTLS_PSA_CRYPTO_C)
-#include "mbedtls/psa_util.h"
+#include "psa_util_internal.h"
 #endif
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)