diff --git a/libaegisub/include/libaegisub/lua/utils.h b/libaegisub/include/libaegisub/lua/utils.h
index c5a65d6e4..cf55e3f4d 100644
--- a/libaegisub/include/libaegisub/lua/utils.h
+++ b/libaegisub/include/libaegisub/lua/utils.h
@@ -129,7 +129,6 @@ struct LuaStackcheck {
 	void dump();
 
 	LuaStackcheck(lua_State *L) : L(L), startstack(lua_gettop(L)) { }
-	~LuaStackcheck() { check_stack(0); }
 };
 #else
 struct LuaStackcheck {
diff --git a/src/auto4_lua.cpp b/src/auto4_lua.cpp
index 36156288b..370a791e3 100644
--- a/src/auto4_lua.cpp
+++ b/src/auto4_lua.cpp
@@ -680,6 +680,7 @@ namespace {
 		if (lua_isnumber(L, -1) && lua_tointeger(L, -1) == 3) {
 			lua_pop(L, 1); // just to avoid tripping the stackcheck in debug
 			description = "Attempted to load an Automation 3 script as an Automation 4 Lua script. Automation 3 is no longer supported.";
+			stackcheck.check_stack(0);
 			return;
 		}
 
@@ -692,6 +693,7 @@ namespace {
 			name = GetPrettyFilename().string();
 
 		lua_pop(L, 1);
+		stackcheck.check_stack(0);
 		// if we got this far, the script should be ready
 		loaded = true;
 	}