diff --git a/volatility3/framework/symbols/windows/extensions/__init__.py b/volatility3/framework/symbols/windows/extensions/__init__.py
index 68660c41a..bf054a91b 100755
--- a/volatility3/framework/symbols/windows/extensions/__init__.py
+++ b/volatility3/framework/symbols/windows/extensions/__init__.py
@@ -972,7 +972,8 @@ class CONTROL_AREA(objects.StructType):
 
                 # If the entry is not a valid physical address then see if it is in transition.
                 elif mmpte.u.Trans.Transition == 1:
-                    physoffset = (mmpte.u.Trans.PageFrameNumber &~ (0b1111 << 32)) << 12
+                    # Strips the bit flag in 'PageFrameNumber' for pages in transition state 
+                    physoffset = (mmpte.u.Trans.PageFrameNumber & (( 1 << 33 ) - 1 ) ) << 12
                     yield physoffset, file_offset, self.PAGE_SIZE
 
                 # Go to the next PTE entry