diff --git a/src/p_spec.c b/src/p_spec.c
index ef74b0ae5..cbea1fb39 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -5759,7 +5759,7 @@ void P_SpawnSpecials(INT32 fromnetsave)
 					if (lines[i].flags & ML_NOKNUX) // Set offset through x and y texture offsets if NOKNUX flag is set
 					{
 						xoffs = sides[lines[i].sidenum[0]].textureoffset;
-						yoffs = -sides[lines[i].sidenum[0]].rowoffset;
+						yoffs = sides[lines[i].sidenum[0]].rowoffset;
 					}
 					else // Otherwise, set calculated offsets such that line's v1 is the apparent origin
 					{