diff --git a/Makefile b/Makefile
index a9da8dd1a..aeb3cca0f 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ VERSION=3.0.2
 CC=gcc
 CFLAGS=-Wall -Wno-pointer-sign -g $(CLCFLAGS) -DGSEAL_ENABLE
 CXX=g++
-CXXFLAGS=-Wall -g $(CLCFLAGS)
+CXXFLAGS=-Wall -g $(CLCFLAGS) -DQT_NO_KEYWORDS
 INSTALL=install
 PKGCONFIG=pkg-config
 XML2CONFIG=xml2-config