diff --git a/tests/canvas.test b/tests/canvas.test
index 6f98e5763..17821b219 100644
--- a/tests/canvas.test
+++ b/tests/canvas.test
@@ -44,7 +44,7 @@ test canvas-1.6 {configuration options: bad value for "bd"} -body {
 test canvas-1.7 {configuration options: good value for "borderwidth"} -body {
     .c configure -borderwidth 1.3
     .c cget -borderwidth
-} -result 1
+} -result 1.3
 test canvas-1.8 {configuration options: bad value for "borderwidth"} -body {
     .c configure -borderwidth badValue
 } -returnCodes error -result {expected screen distance but got "badValue"}