diff --git a/plot-lib/plot/private/no-gui/plot2d-utils.rkt b/plot-lib/plot/private/no-gui/plot2d-utils.rkt
index 10fae833..e1255a37 100644
--- a/plot-lib/plot/private/no-gui/plot2d-utils.rkt
+++ b/plot-lib/plot/private/no-gui/plot2d-utils.rkt
@@ -70,11 +70,10 @@
   
   (for ([rend  (in-list renderer-list)])
     (match-define (renderer2d rend-bounds-rect _bf _tf label-proc render-proc) rend)
-    ;; next step could be moved into (when render-proc, but this generates different step files)
-    (send area start-renderer (if rend-bounds-rect
-                                  (rect-inexact->exact rend-bounds-rect)
-                                  (unknown-rect 2)))
     (when render-proc
+      (send area start-renderer (if rend-bounds-rect
+                                    (rect-inexact->exact rend-bounds-rect)
+                                    (unknown-rect 2)))
       (render-proc area)))
   
   (send area end-renderers)
diff --git a/plot-lib/plot/private/no-gui/plot3d-utils.rkt b/plot-lib/plot/private/no-gui/plot3d-utils.rkt
index 6e39175b..8521be61 100644
--- a/plot-lib/plot/private/no-gui/plot3d-utils.rkt
+++ b/plot-lib/plot/private/no-gui/plot3d-utils.rkt
@@ -80,11 +80,10 @@
   
   (for ([rend  (in-list renderer-list)])
     (match-define (renderer3d rend-bounds-rect _bf _tf label-proc render-proc) rend)
-    ;; next step could be moved into (when render-proc, but this generates different step files)
-    (send area start-renderer (if rend-bounds-rect
-                                  (rect-inexact->exact rend-bounds-rect)
-                                  (unknown-rect 3)))
     (when render-proc
+      (send area start-renderer (if rend-bounds-rect
+                                    (rect-inexact->exact rend-bounds-rect)
+                                    (unknown-rect 3)))
       (render-proc area)))
   
   (send area end-renderers)
diff --git a/plot-test/plot/tests/test-data/p2d-4.dat b/plot-test/plot/tests/test-data/p2d-4.dat
index e6841dbe..57367507 100644
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diff --git a/plot-test/plot/tests/test-data/p2d-4.png b/plot-test/plot/tests/test-data/p2d-4.png
index be960f67..7fefec7f 100644
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diff --git a/plot-test/plot/tests/test-data/tt-24.dat b/plot-test/plot/tests/test-data/tt-24.dat
index 9295414d..06954424 100644
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diff --git a/plot-test/plot/tests/test-data/tt-24.png b/plot-test/plot/tests/test-data/tt-24.png
index c2ea3228..fd2b0fbe 100644
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diff --git a/plot-test/plot/tests/test-data/tt-30.dat b/plot-test/plot/tests/test-data/tt-30.dat
index dca5d141..b9d79794 100644
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diff --git a/plot-test/plot/tests/test-data/tt-30.png b/plot-test/plot/tests/test-data/tt-30.png
index 4c7f21e2..9d22be38 100644
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