diff --git a/stepmania/src/RageFileDriverZip.cpp b/stepmania/src/RageFileDriverZip.cpp
index 325e85b821..72a794a61f 100644
--- a/stepmania/src/RageFileDriverZip.cpp
+++ b/stepmania/src/RageFileDriverZip.cpp
@@ -502,9 +502,14 @@ RageFileObjZipDeflated::RageFileObjZipDeflated( const RageFileObjZipDeflated &cp
 
 RageFileObjZipDeflated::~RageFileObjZipDeflated()
 {
-	int err = inflateReset( &dstrm );
+	//We MUST use inflateEnd() here insted of inflateReset().  Use
+	//of inflateReset() will cause large quantities of globally 
+	//allocated ram to be leaked, making it impervious to most leak 
+	//detection. See zlib.h documentation on inflateReset() for 
+	//more information.
+	int err = inflateEnd( &dstrm );
 	if( err != Z_OK )
-		LOG->Trace( "Huh? inflateReset() err = %i", err );
+		LOG->Trace( "Huh? inflateEnd() err = %i", err );
 }
 
 int RageFileObjZipDeflated::Read( void *buf, size_t bytes )