diff --git a/srcpkgs/openbabel/template b/srcpkgs/openbabel/template
index 41db848d74e..d0b059026da 100644
--- a/srcpkgs/openbabel/template
+++ b/srcpkgs/openbabel/template
@@ -1,7 +1,7 @@
 # Template file for 'openbabel'
 pkgname=openbabel
 version=3.1.1
-revision=1
+revision=2
 _ver=${version//./-}
 build_style=cmake
 build_helper=cmake-wxWidgets-gtk3
@@ -14,6 +14,8 @@ homepage="http://openbabel.org"
 distfiles="https://github.com/openbabel/openbabel/archive/openbabel-${_ver}.tar.gz"
 checksum=c97023ac6300d26176c97d4ef39957f06e68848d64f1a04b0b284ccff2744f02
 
+CXXFLAGS="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
+
 openbabel-devel_package() {
 	depends="${sourcepkg}>=${version}_${revision}"
 	short_desc+=" - development files"