diff --git a/src/filesystem.c b/src/filesystem.c
index 9f482ddf..42f76096 100644
--- a/src/filesystem.c
+++ b/src/filesystem.c
@@ -2593,7 +2593,19 @@ static pack_t *FS_LoadZipFile( char *zipfile, const char *basename ) {
 		unzGoToNextFile( uf );
 	}
 
+/*//Code for dumping iwd pure sums
+	char headername[1024];
+	sprintf(headername, "%s.sum", zipfile);
+	FILE* df = fopen(headername, "wb");
+	if(df)
+	{
+		fwrite(fs_headerLongs, 4, fs_numHeaderLongs, df);
+		fclose(df);
+	}
 	pack->checksum = Com_BlockChecksumKey32( fs_headerLongs, 4 * fs_numHeaderLongs, LittleLong( 0 ) );
+	Com_Printf(CON_CHANNEL_DONT_FILTER, "%s: %d\n", zipfile, pack->checksum);
+*/
+
 	if(fs_checksumFeed)
 		pack->pure_checksum = Com_BlockChecksumKey32( fs_headerLongs, 4 * fs_numHeaderLongs, LittleLong( fs_checksumFeed ) );
 	else
diff --git a/src/version/version.c b/src/version/version.c
index c141d445..f45ae129 100644
--- a/src/version/version.c
+++ b/src/version/version.c
@@ -1,6 +1,6 @@
 #include "version.h"
 
-#define SYS_COMMONVERSION 21.0
+#define SYS_COMMONVERSION 21.1
 #define _STRINGIFY(s) #s
 #define STRINGIFY(s) _STRINGIFY(s)