diff --git a/gui/gui.pro b/gui/gui.pro
index 0cbaebf16..7275ec285 100644
--- a/gui/gui.pro
+++ b/gui/gui.pro
@@ -173,7 +173,7 @@ win32 {
 }
 
 contains(QMAKE_CC, gcc) {
-    QMAKE_CXXFLAGS += -std=c++11 -Wno-missing-field-initializers -Wno-missing-braces -Wno-sign-compare
+    QMAKE_CXXFLAGS += -std=c++11 -Wno-missing-field-initializers -Wno-missing-braces -Wno-sign-compare -Wno-deprecated-declarations
 }
 
 contains(QMAKE_CXX, clang++) {