diff --git a/editline/editline.go b/editline/editline.go
index 0981dc2..6729a79 100644
--- a/editline/editline.go
+++ b/editline/editline.go
@@ -649,8 +649,12 @@ func (m *Model) Debug() string {
 }
 
 // SetSize changes the size of the editor.
+// NB: if one of the dimensions is zero, the call is a no-op.
 // NB: it only takes effect at the first next event processed.
 func (m *Model) SetSize(width, height int) {
+	if width == 0 || height == 0 {
+		return
+	}
 	m.hasNewSize = true
 	m.newWidth = width
 	m.newHeight = height
diff --git a/editline/testdata/bad_resize b/editline/testdata/bad_resize
new file mode 100644
index 0000000..84ac1e8
--- /dev/null
+++ b/editline/testdata/bad_resize
@@ -0,0 +1,10 @@
+run
+reset
+resize 40 25
+resize 0 0
+----
+TEA WINDOW SIZE: {40 25}
+TEA WINDOW SIZE: {0 0}
+-- view:
+>                                     ␤
+M-? toggle key help • C-d erase/stop🛇
\ No newline at end of file