1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 1b7d53c..cd34801 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CXX = g++
-CXXFLAGS = -Wall -Wextra -std=c++11 -g -fwrapv -I$(FLTK)/include
+CXXFLAGS = -Wall -Wextra -std=gnu++11 -g -fwrapv -I$(FLTK)/include
 LDFLAGS = -L$(FLTK)/lib -lfltk
 TARGETS = sim gui