diff --git a/CHANGELOG.md b/CHANGELOG.md
index a32fbb4..26ac10b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Version 0.9.1
+
+- fix: consider alpha channel in the data stored in `raw_data` field of `HeadlessWidget`
+
 ## Version 0.9.0
 
 - refactor: remove all features specific to Raspberry Pi, now it is a general headless
diff --git a/headless_kivy/__init__.py b/headless_kivy/__init__.py
index ebaa18c..89d46b6 100644
--- a/headless_kivy/__init__.py
+++ b/headless_kivy/__init__.py
@@ -246,7 +246,7 @@ def render_on_display(self: HeadlessWidget, *_: object) -> None:
 
         HeadlessWidget.raw_data[self.x : self.x + self.width][
             self.y : self.y + self.height
-        ] = data
+        ] = data.reshape(self.width, self.height, -1)
 
         thread = Thread(
             target=config.callback(),
diff --git a/headless_kivy/config.py b/headless_kivy/config.py
index 26aa3f7..f04baf5 100644
--- a/headless_kivy/config.py
+++ b/headless_kivy/config.py
@@ -109,7 +109,7 @@ def setup_headless_kivy(config: SetupHeadlessConfig) -> None:
     from headless_kivy import HeadlessWidget
 
     HeadlessWidget.raw_data = np.zeros(
-        (int(dp(width())), int(dp(height())), 3),
+        (int(dp(width())), int(dp(height())), 4),
         dtype=np.uint8,
     )
 
diff --git a/pyproject.toml b/pyproject.toml
index 8c53354..a9c22c3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "headless-kivy"
-version = "0.9.0"
+version = "0.9.1"
 description = "Headless renderer for Kivy framework"
 authors = ["Sassan Haradji <sassanh@gmail.com>"]
 license = "Apache-2.0"