diff --git a/src/platform/ios.mm b/src/platform/ios.mm
index f0c5bdb0..4006f285 100644
--- a/src/platform/ios.mm
+++ b/src/platform/ios.mm
@@ -768,6 +768,7 @@ void iosSetSafeAreaConstraints(SDLTerminal * term) {
         window_info.info.uikit.window.rootViewController = rootvc;
         sdlView = oldvc.view;
         viewController = vc;
+        [viewController retain];
         // Remove the updateKeyboard method in the old view controller, as it glitches out the screen when opening/closing the keyboard
         method_setImplementation(class_getInstanceMethod([oldvc class], @selector(updateKeyboard)), [ViewController instanceMethodForSelector:@selector(updateKeyboard)]);
         // Set fullscreen mode, but only on devices without a notch
@@ -781,18 +782,18 @@ void iosSetSafeAreaConstraints(SDLTerminal * term) {
 }
 
 void updateCloseButton() {
-    if (computers->empty()) return;
+    if (computers->empty() || !viewController) return;
     viewController.closeButton.enabled = computers->size() > 1 || (*renderTarget) != computers->front()->term;
     viewController.nextButton.enabled = renderTargets.size() > 1;
     viewController.previousButton.enabled = renderTargets.size() > 1;
 }
 
 void iOS_SetWindowTitle(SDL_Window * win, const char * title) {
-    viewController.navigationItem.title = [NSString stringWithCString:title encoding:NSASCIIStringEncoding];
+    if (viewController) viewController.navigationItem.title = [NSString stringWithCString:title encoding:NSASCIIStringEncoding];
 }
 
 void mobileResetModifiers() {
-    [viewController resetModifiers];
+    if (viewController) [viewController resetModifiers];
 }
 
 void handler(int sig) {
@@ -907,7 +908,9 @@ static int mobile_restorePurchases(lua_State *L) {
 };*/
 
 int mobile_luaopen(lua_State *L) {
-    luaL_register(L, "mobile", mobile_reg);
+    luaL_newlib(L, mobile_reg);
+    lua_pushvalue(L, -1);
+    lua_setglobal(L, "mobile");
     /*lua_pushstring(L, "ios");
     lua_newtable(L);
     for (luaL_Reg* r = ios_reg; r->name && r->func; r++) {
diff --git a/src/util.hpp b/src/util.hpp
index d16d5cd8..aca0ae08 100644
--- a/src/util.hpp
+++ b/src/util.hpp
@@ -40,7 +40,7 @@ template<> class std::hash<SDL_EventType>: public std::hash<unsigned short> {};
 
 // for old compilers (see C++ LWG 3657)
 // NOTE: No idea if this MSVC check is correct - if you have issues, just update to the latest VS2022.
-#if (defined(__GLIBCXX__) && __GLIBCXX__ < 20220426) || (defined(_LIBCPP_VERSION) && _LIBCPP_VERSION < 17000) || (defined(_MSC_FULL_VER) && _MSC_FULL_VER < 193200000)
+#if (defined(__GLIBCXX__) && __GLIBCXX__ < 20220426) || (defined(_LIBCPP_VERSION) && _LIBCPP_VERSION < 170000) || (defined(_MSC_FULL_VER) && _MSC_FULL_VER < 193200000)
 template<> struct std::hash<path_t> {size_t operator()(const path_t& path) const noexcept {return fs::hash_value(path);}};
 #endif