diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/server/world/ServerWorld.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/server/world/ServerWorld.kt
index 7c064149..03c0395b 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/server/world/ServerWorld.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/server/world/ServerWorld.kt
@@ -756,7 +756,7 @@ class ServerWorld private constructor(
 							currentDungeonID++
 							break
 						}
-					} while (--spawnDungeonRetries > 0)
+					} while (spawnDungeonRetries-- > 0)
 				}
 			}