diff --git a/tools/quake3/q3map2/convert_bsp.c b/tools/quake3/q3map2/convert_bsp.c
index ba982e87..44950e7d 100644
--- a/tools/quake3/q3map2/convert_bsp.c
+++ b/tools/quake3/q3map2/convert_bsp.c
@@ -33,6 +33,75 @@
 
 
 
+/*
+   FixAAS()
+   resets an aas checksum to match the given BSP
+ */
+
+int FixAAS( int argc, char **argv ){
+	int length, checksum;
+	void        *buffer;
+	FILE        *file;
+	char aas[ 1024 ], **ext;
+	char        *exts[] =
+	{
+		".aas",
+		"_b0.aas",
+		"_b1.aas",
+		NULL
+	};
+
+
+	/* arg checking */
+	if ( argc < 2 ) {
+		Sys_Printf( "Usage: q3map -fixaas [-v] <mapname>\n" );
+		return 0;
+	}
+
+	/* do some path mangling */
+	strcpy( source, ExpandArg( argv[ argc - 1 ] ) );
+	StripExtension( source );
+	DefaultExtension( source, ".bsp" );
+
+	/* note it */
+	Sys_Printf( "--- FixAAS ---\n" );
+
+	/* load the bsp */
+	Sys_Printf( "Loading %s\n", source );
+	length = LoadFile( source, &buffer );
+
+	/* create bsp checksum */
+	Sys_Printf( "Creating checksum...\n" );
+	checksum = LittleLong( (int)Com_BlockChecksum( buffer, length ) ); // md4 checksum for a block of data
+
+	/* write checksum to aas */
+	ext = exts;
+	while ( *ext )
+	{
+		/* mangle name */
+		strcpy( aas, source );
+		StripExtension( aas );
+		strcat( aas, *ext );
+		Sys_Printf( "Trying %s\n", aas );
+		ext++;
+
+		/* fix it */
+		file = fopen( aas, "r+b" );
+		if ( !file ) {
+			continue;
+		}
+		if ( fwrite( &checksum, 4, 1, file ) != 1 ) {
+			Error( "Error writing checksum to %s", aas );
+		}
+		fclose( file );
+	}
+
+	/* return to sender */
+	return 0;
+}
+
+
+
 /*
    AnalyzeBSP() - ydnar
    analyzes a Quake engine BSP file
diff --git a/tools/quake3/q3map2/main.c b/tools/quake3/q3map2/main.c
index dd12d751..93f2f4ab 100644
--- a/tools/quake3/q3map2/main.c
+++ b/tools/quake3/q3map2/main.c
@@ -96,83 +96,6 @@ static void ExitQ3Map( void ){
 }
 
 
-/*
-   MD4BlockChecksum()
-   calculates an md4 checksum for a block of data
- */
-
-static int MD4BlockChecksum( void *buffer, int length ){
-	return Com_BlockChecksum( buffer, length );
-}
-
-/*
-   FixAAS()
-   resets an aas checksum to match the given BSP
- */
-
-int FixAAS( int argc, char **argv ){
-	int length, checksum;
-	void        *buffer;
-	FILE        *file;
-	char aas[ 1024 ], **ext;
-	char        *exts[] =
-	{
-		".aas",
-		"_b0.aas",
-		"_b1.aas",
-		NULL
-	};
-
-
-	/* arg checking */
-	if ( argc < 2 ) {
-		Sys_Printf( "Usage: q3map -fixaas [-v] <mapname>\n" );
-		return 0;
-	}
-
-	/* do some path mangling */
-	strcpy( source, ExpandArg( argv[ argc - 1 ] ) );
-	StripExtension( source );
-	DefaultExtension( source, ".bsp" );
-
-	/* note it */
-	Sys_Printf( "--- FixAAS ---\n" );
-
-	/* load the bsp */
-	Sys_Printf( "Loading %s\n", source );
-	length = LoadFile( source, &buffer );
-
-	/* create bsp checksum */
-	Sys_Printf( "Creating checksum...\n" );
-	checksum = LittleLong( MD4BlockChecksum( buffer, length ) );
-
-	/* write checksum to aas */
-	ext = exts;
-	while ( *ext )
-	{
-		/* mangle name */
-		strcpy( aas, source );
-		StripExtension( aas );
-		strcat( aas, *ext );
-		Sys_Printf( "Trying %s\n", aas );
-		ext++;
-
-		/* fix it */
-		file = fopen( aas, "r+b" );
-		if ( !file ) {
-			continue;
-		}
-		if ( fwrite( &checksum, 4, 1, file ) != 1 ) {
-			Error( "Error writing checksum to %s", aas );
-		}
-		fclose( file );
-	}
-
-	/* return to sender */
-	return 0;
-}
-
-
 
 void FixDOSName( char *src ){
 	if ( src == NULL ) {
diff --git a/tools/quake3/q3map2/q3map2.h b/tools/quake3/q3map2/q3map2.h
index 932f5673..23c160a0 100644
--- a/tools/quake3/q3map2/q3map2.h
+++ b/tools/quake3/q3map2/q3map2.h
@@ -1540,6 +1540,7 @@ int                         BSPMain( int argc, char **argv );
 int                         MiniMapBSPMain( int argc, char **argv );
 
 /* convert_bsp.c */
+int                         FixAAS( int argc, char **argv );
 int                         AnalyzeBSP( int argc, char **argv );
 int                         BSPInfo( int count, char **fileNames );
 int                         ScaleBSPMain( int argc, char **argv );