diff --git a/example/lib/search_text_field.dart b/example/lib/search_text_field.dart
index 8461d735..f46a48b0 100644
--- a/example/lib/search_text_field.dart
+++ b/example/lib/search_text_field.dart
@@ -40,9 +40,16 @@ class SearchTextField extends StatelessWidget {
               controller: controller,
               onChanged: onChanged,
               decoration: InputDecoration(
-                prefixIcon: StreamSvgIcon.search(
-                  color: Colors.black,
-                  size: 24,
+                prefixIconConstraints: BoxConstraints.tight(Size(40, 24)),
+                prefixIcon: Padding(
+                  padding: const EdgeInsets.only(
+                    left: 8,
+                    right: 8,
+                  ),
+                  child: StreamSvgIcon.search(
+                    color: Colors.black,
+                    size: 24,
+                  ),
                 ),
                 hintText: hintText,
                 hintStyle: TextStyle(