diff --git a/libgpo/gpext/gpext.c b/libgpo/gpext/gpext.c
index 1320dadecfc..782c8217c03 100644
--- a/libgpo/gpext/gpext.c
+++ b/libgpo/gpext/gpext.c
@@ -434,14 +434,14 @@ static WERROR gp_extension_store_reg_entry(TALLOC_CTX *mem_ctx,
 	const char *subkeyname = NULL;
 
 	if (!gp_extension_reg_info_verify(entry)) {
-		return WERR_INVALID_PARAM;
+		return WERR_INVALID_PARAMETER;
 	}
 
 	subkeyname = GUID_string2(mem_ctx, &entry->guid);
 	W_ERROR_HAVE_NO_MEMORY(subkeyname);
 
 	if (!strupper_m(discard_const_p(char, subkeyname))) {
-		return WERR_INVALID_PARAM;
+		return WERR_INVALID_PARAMETER;
 	}
 
 	werr = gp_store_reg_subkey(mem_ctx,