diff --git a/src/common/gamecode/randenc.c b/src/common/gamecode/randenc.c
index 0fa4fc9a8..f58470a44 100644
--- a/src/common/gamecode/randenc.c
+++ b/src/common/gamecode/randenc.c
@@ -437,7 +437,7 @@ encounters(void)
 				int n = rng_int() % c;
 
         for (u = r->units; u; u = u->next) {
-					if (i+u->number>c) break;
+					if (i+u->number>n) break;
 				}
         assert(u && u->number);
         encounter(r, u);