diff --git a/stepmania/src/CryptHelpers.h b/stepmania/src/CryptHelpers.h
index fd5fb1d37f..bf42301f4c 100644
--- a/stepmania/src/CryptHelpers.h
+++ b/stepmania/src/CryptHelpers.h
@@ -35,7 +35,7 @@ private:
 	
 	mutable RageFile m_file;	// mutable because reading from a file is not a const operation
 	byte *m_space;
-	unsigned int m_len;
+	int m_len;
 	bool m_waiting;
 };