diff --git a/packages/smooth_app/lib/themes/smooth_theme.dart b/packages/smooth_app/lib/themes/smooth_theme.dart
index dabc6bb5d32..771cb1fe161 100644
--- a/packages/smooth_app/lib/themes/smooth_theme.dart
+++ b/packages/smooth_app/lib/themes/smooth_theme.dart
@@ -69,6 +69,11 @@ class SmoothTheme {
                 ? Colors.grey
                 : myColorScheme.primary,
           ),
+          foregroundColor: WidgetStateProperty.resolveWith<Color?>(
+            (Set<WidgetState> states) => states.contains(WidgetState.disabled)
+                ? Colors.white
+                : myColorScheme.onPrimary,
+          ),
         ),
       ),
       floatingActionButtonTheme: FloatingActionButtonThemeData(