diff --git a/atom/common/platform_util_linux.cc b/atom/common/platform_util_linux.cc
index 039e26e263..a8940fd68f 100644
--- a/atom/common/platform_util_linux.cc
+++ b/atom/common/platform_util_linux.cc
@@ -95,9 +95,9 @@ void OpenExternal(const GURL& url, bool activate,
   bool opened = OpenExternal(url, activate);
   if (!opened) {
     callback.Run(v8::Exception::Error(
-      v8::String::NewFromUtf8(isolate, @"Failed to open")));
+      v8::String::NewFromUtf8(isolate, "Failed to open")));
   } else {
-    callback.Run(v8::Null(isolate);)
+    callback.Run(v8::Null(isolate));
   }
 }
 
diff --git a/atom/common/platform_util_win.cc b/atom/common/platform_util_win.cc
index acf663b1dc..34cc2b1835 100644
--- a/atom/common/platform_util_win.cc
+++ b/atom/common/platform_util_win.cc
@@ -322,9 +322,9 @@ void OpenExternal(const base::string16& url, bool activate,
   bool opened = OpenExternal(url, activate);
   if (!opened) {
     callback.Run(v8::Exception::Error(
-      v8::String::NewFromUtf8(isolate, @"Failed to open")));
+      v8::String::NewFromUtf8(isolate, "Failed to open")));
   } else {
-    callback.Run(v8::Null(isolate);)
+    callback.Run(v8::Null(isolate));
   }
 }