diff --git a/src/PIL/IcoImagePlugin.py b/src/PIL/IcoImagePlugin.py
index 8be1bd316..c891024f5 100644
--- a/src/PIL/IcoImagePlugin.py
+++ b/src/PIL/IcoImagePlugin.py
@@ -229,7 +229,7 @@ class IcoFile:
             im.tile[0] = d, (0, 0) + im.size, o, a
 
             # figure out where AND mask image starts
-            if 32 == header.bpp:
+            if header.bpp == 32:
                 # 32-bit color depth icon image allows semitransparent areas
                 # PIL's DIB format ignores transparency bits, recover them.
                 # The DIB is packed in BGRX byte order where X is the alpha