1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 192326e..0926d77 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ PREFIX   ?= /usr/local
 OBJDIR   = obj
 SRCS     = $(wildcard src/*.c)
 OBJS     = $(SRCS:src/%.c=$(OBJDIR)/%.o)
-CFLAGS  += $(shell pkg-config --cflags luajit) -I./include -Wno-format-truncation -std=c99 -D_POSIX_C_SOURCE=200112L
+CFLAGS  += $(shell pkg-config --cflags luajit) -I./include -Wno-format-truncation -std=c99 -D_XOPEN_SOURCE=700 
 
 default: pkgit