diff --git a/lib/zip_file_set_encryption.c b/lib/zip_file_set_encryption.c
index 06a25a9..b9312b4 100644
--- a/lib/zip_file_set_encryption.c
+++ b/lib/zip_file_set_encryption.c
@@ -54,7 +54,7 @@
     }
 
     if (_zip_get_encryption_implementation(method, ZIP_CODEC_ENCODE) == NULL) {
-	zip_error_set(&za->error, ZIP_ER_COMPNOTSUPP, 0);
+	zip_error_set(&za->error, ZIP_ER_ENCRNOTSUPP, 0);
 	return -1;
     }