diff --git a/stepmania/src/RageUtil.cpp b/stepmania/src/RageUtil.cpp
index 37a4173864..eaab801e3f 100644
--- a/stepmania/src/RageUtil.cpp
+++ b/stepmania/src/RageUtil.cpp
@@ -521,10 +521,14 @@ void CRC32( unsigned int &iCRC, const void *pVoidBuffer, size_t iSize )
 		}
 	}
 
+	iCRC ^= 0xFFFFFFFF;
+
 	unsigned crc = 0;
 	const char *pBuffer = (const char *) pVoidBuffer;
 	for( unsigned i = 0; i < iSize; ++i )
 		iCRC = (iCRC >> 8) ^ tab[(iCRC ^ pBuffer[i]) & 0xFF];
+
+	iCRC ^= 0xFFFFFFFF;
 }
 
 unsigned int GetHashForString ( const CString &s )