diff --git a/misc/tools/route_graph/route_graph.py b/misc/tools/route_graph/route_graph.py
index f5633c92fd5..c6545ec9df6 100755
--- a/misc/tools/route_graph/route_graph.py
+++ b/misc/tools/route_graph/route_graph.py
@@ -32,7 +32,7 @@
 debug = 0
 
 re_main_route = re.compile("^([a-z]+_)*route[\s\t]*(?![\(\)])[\s\t]*\{?", re.I)
-re_def_route = re.compile("^([a-z]+_)*route(\[\"?([A-Za-z0-9-_:]+)\"?\])+[\s\t]*\{?", re.I)
+re_def_route = re.compile("^([a-z]+_)*route ?(\[\"?([A-Za-z0-9-_:]+)\"?\])+[\s\t]*\{?", re.I)
 re_call_route = re.compile("^(.*\([\s\t!]*)?route\(\"?([A-Za-z0-9-_]+)\"?\)", re.I)
 routes = {}
 f_routes = {}