--- effect_position.c	2007-07-21 02:37:59.000000000 -0400
+++ effect_position.c.d2x	2008-04-09 19:34:01.000000000 -0400
@@ -82,14 +82,19 @@
 void _Eff_PositionDeinit(void)
 {
     int i;
-    for (i = 0; i < position_channels; i++) {
-        free(pos_args_array[i]);
-    }
 
-    free(pos_args_global);
-    pos_args_global = NULL;
-    free(pos_args_array);
-    pos_args_array = NULL;
+	 if (pos_args_array) {
+		for (i = 0; i < position_channels; i++)
+			if (pos_args_array[i])
+			  free(pos_args_array[i]);
+	    free(pos_args_array);
+		 pos_args_array = NULL;
+		}
+	 position_channels = 0;
+	 if (pos_args_global) {
+		free(pos_args_global);
+		pos_args_global = NULL;
+		}
 }