diff --git a/libs/models/test/testclip.c b/libs/models/test/testclip.c
index 0d1c3696b..2ebe180eb 100644
--- a/libs/models/test/testclip.c
+++ b/libs/models/test/testclip.c
@@ -115,8 +115,14 @@ test_t tests[] = {
 		{ -8, 0,   8}, {-12, 0, 12}, { 1, 0, 0, 1, 0, 9}},
 	{"Point, Covered Step touch backside", &point, &hull_covered_step,
 		{  0, 0,   8}, {-12, 0, 12}, { 1, 0, 1, 1, 0, 9}},
+	{"Point, Covered Step start solid", &point, &hull_covered_step,
+		{  0, 0,  -4}, {-16, 0, 12}, { 1, 0, 1, 1, 0, 9}},
+	{"Point, Covered Step start solid", &point, &hull_covered_step,
+		{  4, 0,  -4}, {-12, 0, 12}, { 1, 1, 1, 0, 0, 9}},
 	{"Box, Covered Step start solid", &box, &hull_covered_step,
-		{ -4, 0,   4}, {-12, 0, 12}, { 1, 0, 1, 1, 0, 9}},
+		{ -4, 0,   4}, {-12, 0, 12}, { 1, 1, 1, 0, 0, 9}},
+	{"Box, Covered Step start solid", &box, &hull_covered_step,
+		{ -17, 0,   4}, {-17, 0, 12}, { 1, 0, 1, 1, 0, 9}},
 	{"Box, Covered Step start solid", &box, &hull_covered_step,
 		{ -4, 0,   4}, {-16, 0, 36}, { 0.875, 0, 1, 1, 0, 9}},
 	{"Box, Covered Step start solid", &box, &hull_covered_step,
diff --git a/libs/models/trace.c b/libs/models/trace.c
index f02544c08..3f4ba1f94 100644
--- a/libs/models/trace.c
+++ b/libs/models/trace.c
@@ -747,10 +747,8 @@ MOD_TraceLine (hull_t *hull, int num,
 				}
 			} while (tstack->start_frac > trace->fraction);
 
-			// set the hit point for this plane
-			VectorCopy (end, tstack->start);
-
 			// go down the back side
+			VectorCopy (tstack->start, start);
 			VectorCopy (tstack->end, end);
 			side = tstack->side;
 			trace_state.split_plane = tstack->plane;