diff --git a/extra/libreoffice-fresh/PKGBUILD b/extra/libreoffice-fresh/PKGBUILD
index 4607e5374..b37d50ad0 100644
--- a/extra/libreoffice-fresh/PKGBUILD
+++ b/extra/libreoffice-fresh/PKGBUILD
@@ -5,6 +5,7 @@
 #  - disable firebird until libfbclient is updated
 #  - specify a US mirror
 #  - remove --enable-lto
+#  - add -D_FILE_OFFSET_BITS=64 to CPPFLAGS for v7
 
 highmem=1
 
@@ -158,6 +159,7 @@ prepare() {
     export ARCH_FLAGS
     export CFLAGS="$ARCH_FLAGS"
     export CXXFLAGS="$ARCH_FLAGS"
+    export CPPFLAGS+=" -D_FILE_OFFSET_BITS=64"
 }
 
 build() {