diff --git a/src/common/scripting/backend/codegen.cpp b/src/common/scripting/backend/codegen.cpp
index eaafaba98..f5e59cd15 100644
--- a/src/common/scripting/backend/codegen.cpp
+++ b/src/common/scripting/backend/codegen.cpp
@@ -2145,9 +2145,9 @@ FxExpression *FxPreIncrDecr::Resolve(FCompileContext &ctx)
 
 	ValueType = Base->ValueType;
 
-	if (!Base->IsNumeric())
+	if (!Base->IsNumeric() || Base->ValueType->Size != 4)
 	{
-		ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
+		ScriptPosition.Message(MSG_ERROR, "Numeric 32 bit type expected");
 		delete this;
 		return nullptr;
 	}
@@ -2232,9 +2232,9 @@ FxExpression *FxPostIncrDecr::Resolve(FCompileContext &ctx)
 
 	ValueType = Base->ValueType;
 
-	if (!Base->IsNumeric())
+	if (!Base->IsNumeric() || ValueType->Size != 4)
 	{
-		ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
+		ScriptPosition.Message(MSG_ERROR, "Numeric 32 bit type expected");
 		delete this;
 		return nullptr;
 	}
diff --git a/wadsrc/static/zscript/actors/inventory/stateprovider.zs b/wadsrc/static/zscript/actors/inventory/stateprovider.zs
index 05aa06f22..c7f3c4b43 100644
--- a/wadsrc/static/zscript/actors/inventory/stateprovider.zs
+++ b/wadsrc/static/zscript/actors/inventory/stateprovider.zs
@@ -406,7 +406,7 @@ class StateProvider : Inventory
 		if ((player.cmd.buttons & BT_ATTACK)
 			&& !player.ReadyWeapon.bAltFire && !pending && player.health > 0)
 		{
-			player.refire++;
+			player.refire = player.refire + 1;
 			player.mo.FireWeapon(ResolveState(flash));
 		}
 		else if ((player.cmd.buttons & BT_ALTATTACK)