diff -up BlockOutII-2.3/BlockOut_GL/Utils.cpp~ BlockOutII-2.3/BlockOut_GL/Utils.cpp
--- BlockOutII-2.3/BlockOut_GL/Utils.cpp~	2007-11-25 23:01:12.000000000 +0100
+++ BlockOutII-2.3/BlockOut_GL/Utils.cpp	2007-11-25 23:01:12.000000000 +0100
@@ -162,13 +162,7 @@ BOOL CheckEnv() {
 		return FALSE;
 	}
 		
-	char *blockoutHome = getenv("BL2_HOME");
-	if( blockoutHome==NULL ) {
-	  printf("BL2_HOME environement variable if not defined !\n");
-	  printf("Please set the BL2_HOME to the BlockOut II installation directory (ex: BL2_HOME=/usr/local/bl2).\n");
-		return FALSE;
-	}
-	strcpy( bl2Home , blockoutHome );
+	strcpy( bl2Home , "/usr/share/BlockOutII" );
 		
 	char bl2Dir[512];
 	sprintf(bl2Dir,"%s/.bl2",homePath);