diff --git a/po/POTFILES.in b/po/POTFILES.in
index dd44da284ef44d89fa01a4d8534ba76e6ac63587..f51fdb48fcefa10f26e27285acf7588c95d363bb 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -102,6 +102,7 @@ src/util/macvtap.c
 src/util/network.c
 src/util/pci.c
 src/util/processinfo.c
+src/util/sexpr.c
 src/util/stats_linux.c
 src/util/storage_file.c
 src/util/sysinfo.c