3 files changed, 1 insertions, 7 deletions
diff --git a/engines/zvision/actions.cpp b/engines/zvision/actions.cpp
index 5fbfbd6436..ea0d06b1d7 100644
--- a/engines/zvision/actions.cpp
+++ b/engines/zvision/actions.cpp
@@ -49,7 +49,7 @@ ActionAdd::ActionAdd(ZVision *engine, const Common::String &line) :
 }
 
 bool ActionAdd::execute() {
-	_engine->getScriptManager()->addToStateValue(_key, _value);
+	_engine->getScriptManager()->setStateValue(_key, _engine->getScriptManager()->getStateValue(_key) + _value);
 	return true;
 }
 
diff --git a/engines/zvision/script_manager.cpp b/engines/zvision/script_manager.cpp
index c4ea8be9a2..e7ec34f9e7 100644
--- a/engines/zvision/script_manager.cpp
+++ b/engines/zvision/script_manager.cpp
@@ -296,11 +296,6 @@ void ScriptManager::unsetStateFlag(uint32 key, uint value) {
 	}
 }
 
-void ScriptManager::addToStateValue(uint32 key, uint valueToAdd) {
-	_globalState[key] += valueToAdd;
-}
-
-
 Control *ScriptManager::getControl(uint32 key) {
 
 	return nullptr;
diff --git a/engines/zvision/script_manager.h b/engines/zvision/script_manager.h
index c75296b586..07c09c513e 100644
--- a/engines/zvision/script_manager.h
+++ b/engines/zvision/script_manager.h
@@ -172,7 +172,6 @@ public:
 
 	uint getStateValue(uint32 key);
 	void setStateValue(uint32 key, uint value);
-	void addToStateValue(uint32 key, uint valueToAdd);
 
 	uint getStateFlag(uint32 key);
 	void setStateFlag(uint32 key, uint value);