diff --git a/make-gnucash-potfiles.in b/make-gnucash-potfiles.in
index fd1e567404..ddb25fa361 100644
--- a/make-gnucash-potfiles.in
+++ b/make-gnucash-potfiles.in
@@ -13,7 +13,7 @@ use strict;
 use File::Basename;
 
 # Note: These are perl regexp patterns, *not* normal shell wildcards!
-my @ignorepatterns = ('gw-', 'test', 'experimental');
+my @ignorepatterns = ('gw-', 'test', 'experimental', 'swig-.*\.c');
 
 my @skipped_files = `grep -v \# @-SRCDIR-@/po/POTFILES.skip`;
 my @ignored_files = `grep -v \# @-SRCDIR-@/po/POTFILES.ignore`;
diff --git a/po/POTFILES.ignore b/po/POTFILES.ignore
index 87781ea936..3c4c310688 100644
--- a/po/POTFILES.ignore
+++ b/po/POTFILES.ignore
@@ -3,6 +3,7 @@
 lib/glib28/gfileutils-2.8.c
 src/gnome/gnucash.desktop.in.in
 src/gnome/gnucash.desktop.in
+src/engine/iso-4217-currencies.c
 # The features in import-export/qif are still unused.
 src/import-export/qif/qif-defaults.c
 src/import-export/qif/qif-parse.c