diff --git a/src/qualroute.c b/src/qualroute.c
index 9099f47..4e2e836 100644
--- a/src/qualroute.c
+++ b/src/qualroute.c
@@ -487,7 +487,7 @@ int sortnodes(EN_Project *pr)
 */
 {
     int i, j, k, n;
-    int *indegree = NULL;;
+    int *indegree = NULL;
     int *stack = NULL;
     int stacksize = 0;
     int numsorted = 0;