diff --git a/cameo/templates/mkmk-simple b/cameo/templates/mkmk-simple
index 9a4befd..3e702a8 100755
--- a/cameo/templates/mkmk-simple
+++ b/cameo/templates/mkmk-simple
@@ -106,12 +106,12 @@ cng:
 		\$(CNGT) -57.4 20 mill.gp
 
 plot:
-		echo 'set size square; \
+		echo 'set size ratio -1; \
 		  plot "drill.gp" with points, "mill.gp" with lines' | \\
 		  gnuplot -persist
 
 dplot:
-		echo 'set size square; \
+		echo 'set size ratio -1; \
 		  plot "< sed /^\$\$/d drill.gp" with linespoints' | \\
 		  gnuplot -persist