1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 4acac90..9718fcc 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 all::
 
 # overridable from command-line
-CFLAGS = -g -O2 -Wall
+CFLAGS = -g -O2 -Wall -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 LDFLAGS = -Wl,-O1
 
 fadvise.c: compat-util.h