diff --git a/compressed_archive/unarr/unarr.pro b/compressed_archive/unarr/unarr.pro
index d00477d7..9b53b714 100644
--- a/compressed_archive/unarr/unarr.pro
+++ b/compressed_archive/unarr/unarr.pro
@@ -4,6 +4,7 @@ DEPENDPATH += $$PWD/unarr-master/
 unix:QMAKE_CFLAGS_RELEASE -= "-O2"
 unix:QMAKE_CFLAGS += "-O3"
 unix:QMAKE_CFLAGS_RELEASE += "-DNDEBUG"
+unix:QMAKE_CFLAGS += "-D_FILE_OFFSET_BITS=64"
 
 win32:QMAKE_CFLAGS_RELEASE += "/DNDEBUG"
 
@@ -42,4 +43,4 @@ SOURCES+=$$PWD/unarr-master/common/conv.c\
 		$$PWD/unarr-master/rar/uncompress-rar.c\
 		$$PWD/unarr-master/tar/parse-tar.c\
 		$$PWD/unarr-master/tar/tar.c\
-		$$PWD/unarr-master/_7z/_7z.c
+		$$PWD/unarr-master/_7z/_7z.c
\ No newline at end of file