1 files changed, 1 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 378c33d..1ed7804 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,7 @@
 
 CXXFLAGS ?= -g -O2 -Wall -Wold-style-cast
 
+CPPFLAGS += -D_FILE_OFFSET_BITS=64
 CXXFLAGS += -std=c++11
 LDLIBS = -lstdc++ -lboost_program_options -lboost_filesystem -lboost_system -lboost_iostreams -lnettle