diff --git a/src/lib/visual.c b/src/lib/visual.c
index 4dec619c3..cd63b5c16 100644
--- a/src/lib/visual.c
+++ b/src/lib/visual.c
@@ -159,12 +159,12 @@ ncvisual_blitset_geom(const notcurses* nc, const ncvisual* n,
         return -1;
       }
       int rows = (*leny + nc->tcache.cellpixy - 1) / nc->tcache.cellpixy;
-      if(rows > ncplane_dim_y(vopts->n)){
+      if(rows > ncplane_dim_y(vopts->n) * nc->tcache.cellpixy){
         logerror(nc, "Sprixel too tall %d for plane %d\n", *leny, ncplane_dim_y(vopts->n) * nc->tcache.cellpixy);
         return -1;
       }
       int cols = (*lenx + nc->tcache.cellpixx - 1) / nc->tcache.cellpixx;
-      if(cols > ncplane_dim_x(vopts->n)){
+      if(cols > ncplane_dim_x(vopts->n) * nc->tcache.cellpixx){
         logerror(nc, "Sprixel too wide %d for plane %d\n", *lenx, ncplane_dim_x(vopts->n) * nc->tcache.cellpixx);
         return -1;
       }