diff --git a/src/interfaces/libpq/nls.mk b/src/interfaces/libpq/nls.mk
index b6ed4551831..5959fa0c074 100644
--- a/src/interfaces/libpq/nls.mk
+++ b/src/interfaces/libpq/nls.mk
@@ -16,7 +16,12 @@ GETTEXT_FILES    = fe-auth.c \
                    ../../port/thread.c
 GETTEXT_TRIGGERS = libpq_append_conn_error:2 \
                    libpq_append_error:2 \
-                   libpq_gettext pqInternalNotice:2
+                   libpq_gettext \
+                   libpq_ngettext:1,2 \
+                   pqInternalNotice:2
 GETTEXT_FLAGS    = libpq_append_conn_error:2:c-format \
                    libpq_append_error:2:c-format \
-                   libpq_gettext:1:pass-c-format pqInternalNotice:2:c-format
+                   libpq_gettext:1:pass-c-format \
+                   libpq_ngettext:1:pass-c-format \
+                   libpq_ngettext:2:pass-c-format \
+                   pqInternalNotice:2:c-format