diff --git a/rehlds/engine/delta.cpp b/rehlds/engine/delta.cpp
index d092639..2df6d19 100644
--- a/rehlds/engine/delta.cpp
+++ b/rehlds/engine/delta.cpp
@@ -462,12 +462,12 @@ int DELTA_TestDelta(unsigned char *from, unsigned char *to, delta_t *pFields)
 			st2 = (char*)&to[pTest->fieldOffset];
 			if (!(!*st1 && !*st2 || *st1 && *st2 && !Q_stricmp(st1, st2)))	// Not sure why it is case insensitive, but it looks so
 			{
-#ifdef REHLDS_FIXES
+#ifndef REHLDS_FIXES
+				pTest->flags |= FDT_MARK;
+#endif // REHLDS_FIXES
+
 				different = TRUE;
 				length = Q_strlen(st2) * 8;
-#else // REHLDS_FIXES
-				length = Q_strlen(st2);
-#endif // REHLDS_FIXES
 			}
 			break;
 		default:
diff --git a/rehlds/engine/world.cpp b/rehlds/engine/world.cpp
index 9b8fd32..6ea7ca2 100644
--- a/rehlds/engine/world.cpp
+++ b/rehlds/engine/world.cpp
@@ -854,7 +854,7 @@ qboolean SV_RecursiveHullCheck(hull_t *hull, int num, float p1f, float p2f, cons
 						if (midf < 0.0f)
 							break;
 						frac = pdif * midf + p1f;
-						mid[0] = (p2[0] - p1[1]) * midf + p1[0];
+						mid[0] = (p2[0] - p1[0]) * midf + p1[0];
 						mid[1] = (p2[1] - p1[1]) * midf + p1[1];
 						mid[2] = (p2[2] - p1[2]) * midf + p1[2];
 					}
@@ -1008,7 +1008,7 @@ qboolean SV_RecursiveHullCheck(hull_t *hull, int num, float p1f, float p2f, cons
 						if (midf < 0.0f)
 							break;
 						frac = pdif * midf + p1f;
-						mid[0] = (p2[0] - p1[1]) * midf + p1[0];
+						mid[0] = (p2[0] - p1[0]) * midf + p1[0];
 						mid[1] = (p2[1] - p1[1]) * midf + p1[1];
 						mid[2] = (p2[2] - p1[2]) * midf + p1[2];
 					}