diff --git a/dap-sdk/core/libdap.pri b/dap-sdk/core/libdap.pri
index 3a4edac3e074d6bfc923e6ac18b6a6336889b856..6fd88194c8b2fe689bf4de5f0376ecf769c111a5 100755
--- a/dap-sdk/core/libdap.pri
+++ b/dap-sdk/core/libdap.pri
@@ -2,7 +2,7 @@
 #QMAKE_CFLAGS_DEBUG = -std=gnu11 -DDAP_DEBUG
 #QMAKE_CFLAGS_RELEASE += -std=gnu1
 QMAKE_CFLAGS_DEBUG += -DDAP_DEBUG
-QMAKE_CXXFLAGS +=  -std=c++1
+QMAKE_CXXFLAGS +=  -std=c++11
 QMAKE_CFLAGS +=  -std=gnu11
 
 unix {