diff --git a/libdmmp/libdmmp_private.h b/libdmmp/libdmmp_private.h
index 3e813cb..9c89acb 100644
--- a/libdmmp/libdmmp_private.h
+++ b/libdmmp/libdmmp_private.h
@@ -82,7 +82,7 @@ static out_type func_name(struct dmmp_context *ctx, const char *var_name) { \
 do { \
 	json_type j_type = json_type_null; \
 	json_object *j_obj_tmp = NULL; \
-	if (json_object_object_get_ex(j_obj, key, &j_obj_tmp) != TRUE) { \
+	if (json_object_object_get_ex(j_obj, key, &j_obj_tmp) != 1) { \
 		_error(ctx, "Invalid JSON output from multipathd IPC: " \
 		       "key '%s' not found", key); \
 		rc = DMMP_ERR_IPC_ERROR; \

@@ -90,7 +90,7 @@ do { \
 	} \
 	if (j_obj_tmp == NULL) { \
 		_error(ctx, "BUG: Got NULL j_obj_tmp from " \
-		       "json_object_object_get_ex() while it return TRUE"); \
+		       "json_object_object_get_ex() while it return 1"); \
 		rc = DMMP_ERR_BUG; \
 		goto out; \
 	} \