diff --git a/library/pem.c b/library/pem.c
index 8044ed6..9f14052 100644
--- a/library/pem.c
+++ b/library/pem.c
@@ -39,6 +39,13 @@
 #include "psa/crypto.h"
 #endif
 
+#if !defined(MBEDTLS_MD5_C)
+#include "mbedtls/psa_util.h"
+#define PSA_TO_MBEDTLS_ERR(status) PSA_TO_MBEDTLS_ERR_LIST(status,          \
+                                                           psa_to_md_errors,                     \
+                                                           psa_generic_status_to_mbedtls)
+#endif
+
 #include "mbedtls/legacy_or_psa.h"
 
 #if defined(MBEDTLS_HAS_ALG_MD5_VIA_MD_OR_PSA_BASED_ON_USE_PSA) &&  \
@@ -236,7 +243,7 @@
 exit:
     mbedtls_platform_zeroize(md5sum, 16);
 
-    return mbedtls_md_error_from_psa(status);
+    return PSA_TO_MBEDTLS_ERR(status);
 }
 #endif /* MBEDTLS_MD5_C */