diff --git a/srcpkgs/tqsl/template b/srcpkgs/tqsl/template
index 61389b05e62..316d4a91c8f 100644
--- a/srcpkgs/tqsl/template
+++ b/srcpkgs/tqsl/template
@@ -1,7 +1,7 @@
 # Template file for 'tqsl'
 pkgname=tqsl
 version=2.6.5
-revision=2
+revision=3
 build_style=cmake
 build_helper=cmake-wxWidgets-gtk3
 hostmakedepends="wxWidgets-gtk3-devel"
@@ -14,6 +14,8 @@ homepage="https://www.arrl.org/tqsl-download"
 distfiles="https://www.arrl.org/tqsl/tqsl-${version}.tar.gz"
 checksum=5063cca759806ab1d6b8b6d9bb6c16a6380275ff192a3d0cc24aa9df6539ffcc
 
+CXXFLAGS="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
+
 post_install() {
 	vlicense LICENSE.txt
 	vinstall apps/tqsl.desktop 644 usr/share/applications