diff --git a/widget/material/button.go b/widget/material/button.go
index 09053c72..28c4bc43 100644
--- a/widget/material/button.go
+++ b/widget/material/button.go
@@ -109,9 +109,9 @@ func (b ButtonLayout) Layout(gtx *layout.Context, button *widget.Button, w layou
 			}
 		}),
 		layout.Stacked(func() {
-			gtx.Constraints.Width.Min = hmin
-			gtx.Constraints.Height.Min = vmin
 			layout.Center.Layout(gtx, func() {
+				gtx.Constraints.Width.Min = hmin
+				gtx.Constraints.Height.Min = vmin
 				b.Inset.Layout(gtx, func() {
 					paint.ColorOp{Color: b.Color}.Add(gtx.Ops)
 					w()
diff --git a/widget/material/material_test.go b/widget/material/material_test.go
new file mode 100644
index 00000000..cd084326
--- /dev/null
+++ b/widget/material/material_test.go
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: Unlicense OR MIT
+
+package material
+
+import (
+	"image"
+	"testing"
+
+	"gioui.org/layout"
+	"gioui.org/widget"
+)
+
+func TestButtonLayout(t *testing.T) {
+	var gtx layout.Context
+	gtx.Reset(nil, image.Point{X: 100, Y: 100})
+
+	ButtonLayout{}.Layout(&gtx, new(widget.Button), func() {
+		if got, exp := gtx.Constraints.Width.Min, 100; got != exp {
+			t.Errorf("minimum width is %d, expected %d", got, exp)
+		}
+		if got, exp := gtx.Constraints.Height.Min, 100; got != exp {
+			t.Errorf("minimum width is %d, expected %d", got, exp)
+		}
+	})
+}