diff --git a/chatcleaner.pro b/chatcleaner.pro
index d20f069a..c0f61590 100644
--- a/chatcleaner.pro
+++ b/chatcleaner.pro
@@ -4,7 +4,7 @@
 CODECFORSRC = UTF-8
 QT += network
 QT -= gui
-QMAKE_CXXFLAGS += -std=c++0x
+QMAKE_CXXFLAGS += -std=gnu++0x
 TARGET = chatcleaner
 CONFIG += console
 CONFIG -= app_bundle
@@ -48,7 +48,6 @@ LIBPATH += lib
 LIBS += -lpokerth_lib \
 	-lpokerth_protocol
 win32 {
-	DEFINES += WIN32
 	LIBPATH += ../boost/stage/lib
 	INCLUDEPATH += ../boost/
 	debug:LIBPATH += debug/lib
diff --git a/pokerth_db.pro b/pokerth_db.pro
index 6757b33a..22a1f7f2 100644
--- a/pokerth_db.pro
+++ b/pokerth_db.pro
@@ -14,7 +14,7 @@ MOC_DIR = mocs
 OBJECTS_DIR = obj
 DEFINES += ENABLE_IPV6
 QT -= core gui
-QMAKE_CXXFLAGS += -std=c++0x
+QMAKE_CXXFLAGS += -std=gnu++0x
 #PRECOMPILED_HEADER = src/pch_lib.h
 
 INCLUDEPATH += . \
@@ -42,7 +42,6 @@ SOURCES += \
 
 win32{
 	DEFINES += CURL_STATICLIB
-	DEFINES += WIN32
 	DEFINES += _WIN32_WINNT=0x0501
 	DEPENDPATH += src/net/win32/ src/core/win32
 	INCLUDEPATH += ../boost/ ../GnuTLS/include ../curl/include ../zlib
diff --git a/pokerth_game.pro b/pokerth_game.pro
index 2ec8f03a..56118010 100644
--- a/pokerth_game.pro
+++ b/pokerth_game.pro
@@ -15,7 +15,7 @@ CONFIG += qt \
 	warn_on
 include(src/third_party/qtsingleapplication/qtsingleapplication.pri)
 QT += sql
-QMAKE_CXXFLAGS += -std=c++0x
+QMAKE_CXXFLAGS += -std=gnu++0x
 UI_DIR = uics
 MOC_DIR = mocs
 OBJECTS_DIR = obj
@@ -295,7 +295,6 @@ TRANSLATIONS = ts/pokerth_af.ts \
 	ts/pokerth_START_HERE.ts
 win32 { 
 	DEFINES += CURL_STATICLIB
-	DEFINES += WIN32
 	DEFINES += _WIN32_WINNT=0x0501
 	DEPENDPATH += src/net/win32/ \
 		src/core/win32
diff --git a/pokerth_lib.pro b/pokerth_lib.pro
index 785d773f..b056b848 100644
--- a/pokerth_lib.pro
+++ b/pokerth_lib.pro
@@ -14,7 +14,7 @@ MOC_DIR = mocs
 OBJECTS_DIR = obj
 DEFINES += ENABLE_IPV6
 QT -= core gui
-QMAKE_CXXFLAGS += -std=c++0x
+QMAKE_CXXFLAGS += -std=gnu++0x
 #PRECOMPILED_HEADER = src/pch_lib.h
 
 INCLUDEPATH += . \
@@ -225,7 +225,6 @@ official_server{
 
 win32{
 	DEFINES += CURL_STATICLIB
-	DEFINES += WIN32
 	DEFINES += _WIN32_WINNT=0x0501
 	DEPENDPATH += src/net/win32/ src/core/win32
 	INCLUDEPATH += ../boost/ ../GnuTLS/include ../gsasl/include ../curl/include ../zlib ../openssl/include
diff --git a/pokerth_protocol.pro b/pokerth_protocol.pro
index fe90d568..6c95b61c 100644
--- a/pokerth_protocol.pro
+++ b/pokerth_protocol.pro
@@ -14,7 +14,7 @@ OBJECTS_DIR = obj
 DEFINES += ENABLE_IPV6
 QT -= core \
 	gui
-QMAKE_CXXFLAGS += -std=c++0x
+QMAKE_CXXFLAGS += -std=gnu++0x
 # PRECOMPILED_HEADER = src/pch_lib.h
 
 INCLUDEPATH += . \
@@ -307,7 +307,6 @@ SOURCES += src/third_party/asn1/ChatCleanerMessage.c \
     src/third_party/asn1/ChatRequestTypePrivate.c
 win32 { 
 	DEFINES += CURL_STATICLIB
-	DEFINES += WIN32
 	DEFINES += _WIN32_WINNT=0x0501
 }
 mac { 
diff --git a/pokerth_server.pro b/pokerth_server.pro
index 6d717862..521aabf5 100644
--- a/pokerth_server.pro
+++ b/pokerth_server.pro
@@ -17,7 +17,7 @@ DEFINES += POKERTH_DEDICATED_SERVER
 DEFINES += ENABLE_IPV6
 DEFINES += PREFIX=\"$${PREFIX}\"
 QT -= core gui
-QMAKE_CXXFLAGS += -std=c++0x
+QMAKE_CXXFLAGS += -std=gnu++0x
 #PRECOMPILED_HEADER = src/pch_lib.h
 
 INCLUDEPATH += . \
@@ -114,7 +114,6 @@ SOURCES += \
 
 win32 {
 	DEFINES += CURL_STATICLIB
-	DEFINES += WIN32
 	DEFINES += _WIN32_WINNT=0x0501
 	DEPENDPATH += src/net/win32/ src/core/win32
 	INCLUDEPATH += ../boost/ ../GnuTLS/include ../gsasl/include