diff --git a/native-windows-gui/src/resources/bitmap.rs b/native-windows-gui/src/resources/bitmap.rs
index 6791fd5a..4129520a 100644
--- a/native-windows-gui/src/resources/bitmap.rs
+++ b/native-windows-gui/src/resources/bitmap.rs
@@ -262,7 +262,7 @@ impl<'a> BitmapBuilder<'a> {
             let handle = unsafe { rh::build_oem_image(OemImage::Bitmap(src), self.size)? };
             *b = Bitmap { handle, owned: true };
         } else if let Some(src) = self.source_bin { 
-            let handle = unsafe { rh::bitmap_from_memory(src)? };
+            let handle = unsafe { rh::bitmap_from_memory(src, self.size)? };
 
             *b = Bitmap { handle, owned: true };
         } else {
diff --git a/native-windows-gui/src/win32/resources_helper.rs b/native-windows-gui/src/win32/resources_helper.rs
index 027ef802..a61ac186 100644
--- a/native-windows-gui/src/win32/resources_helper.rs
+++ b/native-windows-gui/src/win32/resources_helper.rs
@@ -283,8 +283,8 @@ pub unsafe fn bitmap_from_memory(source: &[u8]) -> Result<HANDLE, NwgError> {
     The memory must contain the whole file (including the file header).
 */
 #[cfg(feature="image-decoder")]
-pub unsafe fn bitmap_from_memory(src: &[u8]) -> Result<HANDLE, NwgError> {
-    build_image_decoder_from_memory(src, None)
+pub unsafe fn bitmap_from_memory(src: &[u8], size: Option<(u32, u32)>) -> Result<HANDLE, NwgError> {
+    build_image_decoder_from_memory(src, size)
 }
 
 #[cfg(feature="image-decoder")]