--- code/ai/aiturret.cpp~       2007-01-15 01:37:37.000000000 +0000
+++ code/ai/aiturret.cpp        2007-01-16 23:26:18.000000000 +0000
@@ -2053,8 +2053,8 @@
                if(tp->flags & MSS_FLAG_TURRET_HULL_CHECK){
                                polymodel *pm = model_get(shipp->modelnum);
                                mc_info test_collide;
-                               matrix or;
-                               vm_vector_2_matrix(&or, &v2e, NULL, NULL);
+                               matrix or2;
+                               vm_vector_2_matrix(&or2, &v2e, NULL, NULL);
                                vec3d start, end;

                                float r;
