1 files changed, 2 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index c142957..4c176d9 100644
--- a/Makefile
+++ b/Makefile
@@ -113,7 +113,8 @@ ifdef ASAN
 	CFLAGS	+= ${FSANITIZE}
 endif
 #--------------------------------------------------------------------------------------------------#
-CDEFS		 = -DFT_SCR_SIZE=\"${SCR_SZE}\"
+CDEFS		 = -D_POSIX_C_SOURCE
+CDEFS		 += -DFT_SCR_SIZE=\"${SCR_SZE}\"
 ifeq (${OS}, Darwin)
 	CDEFS	+= -DFT_OS=1
 else