diff --git a/library/pkcs5.c b/library/pkcs5.c
index e769783..e2c4e48 100644
--- a/library/pkcs5.c
+++ b/library/pkcs5.c
@@ -408,7 +408,7 @@
 exit:
     md_free( &sha1_ctx );
 
-    return( 0 );
+    return( ret );
 }
 #endif /* POLARSSL_SHA1_C */