diff --git a/src/frontend/inp.c b/src/frontend/inp.c
index 5c0f82690..523c8f0a9 100644
--- a/src/frontend/inp.c
+++ b/src/frontend/inp.c
@@ -690,6 +690,8 @@ inp_spsource(FILE *fp, bool comfile, char *filename, bool intfile)
                         ciprefix(".four", s) ||
                         eq(s, ".plot") ||
                         eq(s, ".print") ||
+                        eq(s, ".sndprint") ||
+                        eq(s, ".sndparam") ||
                         eq(s, ".save") ||
                         eq(s, ".op") ||
                         ciprefix(".meas", s) ||
diff --git a/src/frontend/nutinp.c b/src/frontend/nutinp.c
index 7597dba3b..7eb6f4df2 100644
--- a/src/frontend/nutinp.c
+++ b/src/frontend/nutinp.c
@@ -136,6 +136,8 @@ inp_nutsource(FILE *fp, bool comfile, char *filename)
                 if (eq(s, ".width") || ciprefix(".four", s) ||
                     eq(s, ".plot")  ||
                     eq(s, ".print") ||
+                    eq(s, ".sndprint") ||
+                    eq(s, ".sndparam") ||
                     eq(s, ".save"))
                 {
                     wl_append_word(&wl, &end, copy(dd->line));