1 files changed, 2 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index dfb9014..b9fd7b8 100644
--- a/Makefile
+++ b/Makefile
@@ -2,12 +2,13 @@ CC = gcc
 
 INCFLAGS  = -Isrc
 
-CCFLAGS  = -std=c99 -Wall -Wextra -pedantic -O2
+CCFLAGS  = -std=gnu99 -Wall -Wextra -pedantic -O2
 CCFLAGS += $(INCFLAGS)
 
 LDFLAGS += $(INCFLAGS)
 LDFLAGS += -lX11
 LDFLAGS += -lm
+LDFLAGS += -lpthread
 
 BIN = bin
 APP = $(BIN)/app