1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 288082b..36563c1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 export FTAG_ROOT := $(shell pwd)
-export __CFLAGS := -std=c99 -Wall -DFTAG_ROOT=\"$(FTAG_ROOT)\"
+export __CFLAGS := -std=c99 -Wall -DFTAG_ROOT=\"$(FTAG_ROOT)\" -D_POSIX_C_SOURCE=200809L
 export __LIBS := $(shell pkg-config --libs sqlite3)
 
 export PROG ?= ftag