diff --git a/Telegram/MetaLang.pro b/Telegram/MetaLang.pro
index dbef70ae9..0dfa29a6f 100644
--- a/Telegram/MetaLang.pro
+++ b/Telegram/MetaLang.pro
@@ -12,7 +12,7 @@ CONFIG(release, debug|release) {
     DESTDIR = ./../ReleaseLang
 }
 
-CONFIG += plugin static
+CONFIG += plugin static c++11
 
 macx {
     QMAKE_INFO_PLIST = ./SourceFiles/_other/Lang.plist
diff --git a/Telegram/MetaStyle.pro b/Telegram/MetaStyle.pro
index 2ef67ea2e..a68a44385 100644
--- a/Telegram/MetaStyle.pro
+++ b/Telegram/MetaStyle.pro
@@ -12,7 +12,7 @@ CONFIG(release, debug|release) {
     DESTDIR = ./../ReleaseStyle
 }
 
-CONFIG += plugin static
+CONFIG += plugin static c++11
 
 macx {
     QMAKE_INFO_PLIST = ./SourceFiles/_other/Style.plist