diff --git a/api/config.md b/api/config.md
index 96fd2c5321..0186439dfa 100644
--- a/api/config.md
+++ b/api/config.md
@@ -67,7 +67,7 @@ flags |  |  Advanced Compiler Settings for debug purposes (ie C++ compiler -g, e
 
 Key | Default Value | Description
 :--- | :--- | :---
-bundle_identifier |  |  A unique ID that identifies the bundle (used by all app stores). It's required when `[meta] type` is not `"extension"`.
+bundle_identifier |  |  A unique ID that identifies the bundle (used by all app stores). It's required when `[meta] type` is not `"extension"`. It should be in a reverse DNS notation https://developer.apple.com/documentation/bundleresources/information_property_list/cfbundleidentifier#discussion
 copyright |  |  A string that gets used in the about dialog and package meta info.
 description |  |  A short description of the app.
 file_limit |  |  Set the limit of files that can be opened by your process.
diff --git a/src/cli/cli.cc b/src/cli/cli.cc
index 0dcd49c647..f131fc42d5 100644
--- a/src/cli/cli.cc
+++ b/src/cli/cli.cc
@@ -2413,9 +2413,19 @@ int main (const int argc, const char* argv[]) {
   createSubcommand("build", buildOptions, true, [&](Map optionsWithValue, std::unordered_set<String> optionsWithoutValue) -> void {
     auto isForExtensionOnly = settings["meta_type"] == "extension" || settings["build_type"] == "extension";
 
-    if (settings["meta_bundle_identifier"].size() == 0 !isForExtensionOnly) {
-      log("ERROR: [meta] bundle_identifier option is empty");
-      exit(1);
+    if (!isForExtensionOnly) {
+      if (settings["meta_bundle_identifier"].size() == 0) {
+        log("ERROR: [meta] bundle_identifier option is empty");
+        exit(1);
+      }
+
+      std::regex reverseDnsPattern(R"(^[a-z0-9]+([-a-z0-9]*[a-z0-9]+)?(\.[a-z0-9]+([-a-z0-9]*[a-z0-9]+)?)*$)", std::regex::icase);
+      if (!std::regex_match(settings["meta_bundle_identifier"], reverseDnsPattern)) {
+          log("ERROR: [meta] bundle_name has invalid format :" + settings["meta_bundle_identifier"]);
+          log("Please use reverse DNS notation (https://developer.apple.com/documentation/bundleresources/information_property_list/cfbundleidentifier#discussion)");
+          exit(1);
+      }
+
     }
 
     String argvForward = "";
diff --git a/src/cli/templates.hh b/src/cli/templates.hh
index 7aa988e1b7..9d40c0f7c7 100644
--- a/src/cli/templates.hh
+++ b/src/cli/templates.hh
@@ -1429,7 +1429,9 @@ flags = "-g"
 
 [meta]
 
-; A unique ID that identifies the bundle (used by all app stores). It's required when `[meta] type` is not `"extension"`.
+; A unique ID that identifies the bundle (used by all app stores).
+; It's required when `[meta] type` is not `"extension"`.
+; It should be in a reverse DNS notation https://developer.apple.com/documentation/bundleresources/information_property_list/cfbundleidentifier#discussion
 bundle_identifier = "com.beepboop"
 
 ; A string that gets used in the about dialog and package meta info.