diff --git a/src/pilot.c b/src/pilot.c
index 78e3e85..fcbe603 100644
--- a/src/pilot.c
+++ b/src/pilot.c
@@ -68,7 +68,7 @@ unsigned int pilot_getNext(const unsigned int id) {
   l = 0;
   h = pilot_nstack-1;
   while(l <= h) {
-    m = l+(h-l)/2; /* For impossible overflow returning negative value. */
+    m = (l+h) >> 1; /* For impossible overflow returning negative value. */
     if(pilot_stack[m]->id > id) h = m-1;
     else if(pilot_stack[m]->id < id) l = m+1;
     else break;