diff --git a/src/frontend/postcoms.c b/src/frontend/postcoms.c
index daa932e6d..06e370dd8 100644
--- a/src/frontend/postcoms.c
+++ b/src/frontend/postcoms.c
@@ -462,7 +462,7 @@ com_sndprint(wordlist* wl)
         ngood += 1;
     }
 
-    if (vecs->v_plot->pl_scale->v_type != SV_TIME)
+    if (!vecs || vecs->v_plot->pl_scale->v_type != SV_TIME)
         return;
 
     if (!ngood) return;