diff --git a/src/main_zig.zig b/src/main_zig.zig
index 01268514..c42177c4 100644
--- a/src/main_zig.zig
+++ b/src/main_zig.zig
@@ -598,11 +598,11 @@ pub fn generateMainZigFromTemplate(
             "        g.dispatchEvents();\n" ++
             "        // Update profiling pointers (debug only)\n" ++
             "        if (comptime @TypeOf(runner).profiling_enabled) {\n" ++
-            "            g.script_profile_ptr = @ptrCast(&runner.profile);\n" ++
+            "            g.script_profile_ptr = @ptrCast(@alignCast(&runner.profile));\n" ++
             "            g.script_profile_count = @TypeOf(runner).script_count;\n" ++
             "        }\n" ++
             "        if (comptime PluginSystems.profiling_enabled) {\n" ++
-            "            g.plugin_profile_ptr = @ptrCast(&PluginSystems.plugin_profile);\n" ++
+            "            g.plugin_profile_ptr = @ptrCast(@alignCast(&PluginSystems.plugin_profile));\n" ++
             "            g.plugin_profile_count = PluginSystems.plugin_system_count;\n" ++
             "        }\n"
         else
@@ -612,7 +612,7 @@ pub fn generateMainZigFromTemplate(
             "        }\n" ++
             "        g.dispatchEvents();\n" ++
             "        if (comptime @TypeOf(runner).profiling_enabled) {\n" ++
-            "            g.script_profile_ptr = @ptrCast(&runner.profile);\n" ++
+            "            g.script_profile_ptr = @ptrCast(@alignCast(&runner.profile));\n" ++
             "            g.script_profile_count = @TypeOf(runner).script_count;\n" ++
             "        }\n";
 
diff --git a/src/templates/build_zig.txt b/src/templates/build_zig.txt
index 062bf499..42847fb6 100644
--- a/src/templates/build_zig.txt
+++ b/src/templates/build_zig.txt
@@ -273,7 +273,7 @@ pub fn build(b: *std.Build) void {
     const sdk_path = getIosSdkPath(b, sdk_name) orelse
         @panic("Could not find iOS SDK. Is Xcode installed?");
 
-    const host_arch = b.host.result.cpu.arch;
+    const host_arch = b.graph.host.result.cpu.arch;
     const ios_target = if (device_mode)
         b.resolveTargetQuery(.{
             .cpu_arch = .aarch64,