diff --git a/dev/tools/gen_defaults/data/icon_button.json b/dev/tools/gen_defaults/data/icon_button.json
index 37235c032500..3e8ac2cf5739 100644
--- a/dev/tools/gen_defaults/data/icon_button.json
+++ b/dev/tools/gen_defaults/data/icon_button.json
@@ -18,7 +18,7 @@
   "md.comp.icon-button.state-layer.size": 40.0,
   "md.comp.icon-button.unselected.focus.icon.color": "onSurfaceVariant",
   "md.comp.icon-button.unselected.focus.state-layer.color": "onSurfaceVariant",
-  "md.comp.icon-button.unselected.focus.state-layer.opacity": "md.sys.state.hover.state-layer-opacity",
+  "md.comp.icon-button.unselected.focus.state-layer.opacity": "md.sys.state.focus.state-layer-opacity",
   "md.comp.icon-button.unselected.hover.icon.color": "onSurfaceVariant",
   "md.comp.icon-button.unselected.hover.state-layer.color": "onSurfaceVariant",
   "md.comp.icon-button.unselected.hover.state-layer.opacity": "md.sys.state.hover.state-layer-opacity",
diff --git a/packages/flutter/lib/src/material/icon_button.dart b/packages/flutter/lib/src/material/icon_button.dart
index 4ce37ab97bd1..c0817e3647e9 100644
--- a/packages/flutter/lib/src/material/icon_button.dart
+++ b/packages/flutter/lib/src/material/icon_button.dart
@@ -1011,7 +1011,7 @@ class _IconButtonDefaultsM3 extends ButtonStyle {
         return _colors.onSurfaceVariant.withOpacity(0.08);
       }
       if (states.contains(MaterialState.focused)) {
-        return _colors.onSurfaceVariant.withOpacity(0.08);
+        return _colors.onSurfaceVariant.withOpacity(0.12);
       }
       if (states.contains(MaterialState.pressed)) {
         return _colors.onSurfaceVariant.withOpacity(0.12);