diff --git a/library/psa_crypto_pake.c b/library/psa_crypto_pake.c
index 8de8569..7a904d9 100644
--- a/library/psa_crypto_pake.c
+++ b/library/psa_crypto_pake.c
@@ -28,7 +28,7 @@
 #include "psa_crypto_slot_management.h"
 
 #include <mbedtls/ecjpake.h>
-#include <psa_util_internal.h>
+#include "psa_util_internal.h"
 
 #include <mbedtls/platform.h>
 #include <mbedtls/error.h>
diff --git a/library/psa_crypto_random_impl.h b/library/psa_crypto_random_impl.h
index 2a75a43..8719d9c 100644
--- a/library/psa_crypto_random_impl.h
+++ b/library/psa_crypto_random_impl.h
@@ -30,7 +30,7 @@
 #ifndef PSA_CRYPTO_RANDOM_IMPL_H
 #define PSA_CRYPTO_RANDOM_IMPL_H
 
-#include <psa_util_internal.h>
+#include "psa_util_internal.h"
 
 #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
 
diff --git a/library/psa_util.c b/library/psa_util.c
index 3d43b58..dd5e134 100644
--- a/library/psa_util.c
+++ b/library/psa_util.c
@@ -25,7 +25,7 @@
 #include <psa/crypto.h>
 
 #include "psa_crypto_core.h"
-#include <psa_util_internal.h>
+#include "psa_util_internal.h"
 
 /* The following includes are needed for MBEDTLS_ERR_XXX macros */
 #include <mbedtls/error.h>