diff --git a/android/build.gradle b/android/build.gradle
index d5cf48bd87..c992c215ab 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -21,8 +21,8 @@ android {
         applicationId "com.unciv.app"
         minSdkVersion 14
         targetSdkVersion 28
-        versionCode 276
-        versionName "2.18.5"
+        versionCode 278
+        versionName "2.18.6-patch1"
     }
 
     // Had to add this crap for Travis to build, it wanted to sign the app
diff --git a/core/src/com/unciv/models/stats/Stats.kt b/core/src/com/unciv/models/stats/Stats.kt
index 6d76da3c0c..dcd8a41261 100644
--- a/core/src/com/unciv/models/stats/Stats.kt
+++ b/core/src/com/unciv/models/stats/Stats.kt
@@ -100,6 +100,8 @@ open class Stats() {
 class StatMap:LinkedHashMap<String,Stats>(){
     fun add(source:String,stats:Stats){
         if(!containsKey(source)) put(source,stats)
-        else get(source)!!.add(stats)
+        else get(source)!!.plus(stats)
+        // This CAN'T be get(source)!!.add() because the initial stats we get are sometimes from other places -
+        // for instance the Cities is from the currentCityStats and if we add to that we change the value in the cities themselves!
     }
 }
\ No newline at end of file