diff --git a/apps/opencs/view/render/instancemode.cpp b/apps/opencs/view/render/instancemode.cpp
index 2489f4f570..99ddce7f7d 100644
--- a/apps/opencs/view/render/instancemode.cpp
+++ b/apps/opencs/view/render/instancemode.cpp
@@ -854,12 +854,12 @@ void CSVRender::InstanceMode::dropSelectedInstancesToTerrain()
 
 void CSVRender::InstanceMode::dropSelectedInstancesToCollisionSeparately()
 {
-    handleDropMethod(TerrainSep, "Drop instances to next collision level separately");
+    handleDropMethod(CollisionSep, "Drop instances to next collision level separately");
 }
 
 void CSVRender::InstanceMode::dropSelectedInstancesToTerrainSeparately()
 {
-    handleDropMethod(CollisionSep, "Drop instances to terrain level separately");
+    handleDropMethod(TerrainSep, "Drop instances to terrain level separately");
 }
 
 void CSVRender::InstanceMode::handleDropMethod(DropMode dropMode, QString commandMsg)