diff --git a/src/p_map.cpp b/src/p_map.cpp
index ef5264f69..1a4a18d74 100644
--- a/src/p_map.cpp
+++ b/src/p_map.cpp
@@ -4755,16 +4755,9 @@ bool P_UseTraverse(AActor *usething, fixed_t startx, fixed_t starty, fixed_t end
 			}
 			continue;
 		}
-		if (in->d.line->isLinePortal())
+		if (it.PortalRelocate(in, PT_ADDLINES | PT_ADDTHINGS, &xpos))
 		{
-			if (P_PointOnLineSide(xpos.x, xpos.y, in->d.line) == 0)
-			{
-				FLinePortal *port = in->d.line->getPortal();
-				// Also translate the player origin, so that we can use that for checks further below and in P_CheckSwitchRange
-				it.PortalRelocate(in, PT_ADDLINES | PT_ADDTHINGS, &xpos);
-			}
 			continue;
-	
 		}
 
 		FLineOpening open;
diff --git a/src/p_maputl.cpp b/src/p_maputl.cpp
index 75c4e8830..c84d6d5e2 100644
--- a/src/p_maputl.cpp
+++ b/src/p_maputl.cpp
@@ -1618,6 +1618,8 @@ void FPathTraverse::init (fixed_t x1, fixed_t y1, fixed_t x2, fixed_t y2, int fl
 bool FPathTraverse::PortalRelocate(intercept_t *in, int flags, fixedvec3 *optpos)
 {
 	if (!in->isaline || !in->d.line->isLinePortal()) return false;
+	if (P_PointOnLineSidePrecise(trace.x, trace.y, in->d.line) == 1) return false;
+
 	fixed_t hitx = trace.x;
 	fixed_t hity = trace.y;
 	fixed_t endx = trace.x + trace.dx;