diff --git a/.changes/fix-config-override.md b/.changes/fix-config-override.md
new file mode 100644
index 00000000000..29d94e701a8
--- /dev/null
+++ b/.changes/fix-config-override.md
@@ -0,0 +1,6 @@
+---
+"tauri-cli": patch:bug
+"@tauri-apps/cli": patch:bug
+---
+
+Fixes `[android|ios] build --config <config>` failing to resolve.
diff --git a/tooling/cli/src/mobile/ios/xcode_script.rs b/tooling/cli/src/mobile/ios/xcode_script.rs
index f342cd052b1..12aeda72f01 100644
--- a/tooling/cli/src/mobile/ios/xcode_script.rs
+++ b/tooling/cli/src/mobile/ios/xcode_script.rs
@@ -95,6 +95,10 @@ pub fn command(options: Options) -> Result<()> {
     MobileTarget::Ios,
   )?;
 
+  if let Some(config) = &cli_options.config {
+    crate::helpers::config::merge_with(&config.0)?;
+  }
+
   let env = env()?.explicit_env_vars(cli_options.vars);
 
   if !options.sdk_root.is_dir() {