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-rw-r--r--src/pathfinder/npf/npf.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/pathfinder/npf/npf.cpp b/src/pathfinder/npf/npf.cpp
index 9eca606f0..bfefce215 100644
--- a/src/pathfinder/npf/npf.cpp
+++ b/src/pathfinder/npf/npf.cpp
@@ -237,8 +237,8 @@ static uint NPFSlopeCost(AyStarNode *current)
/* Get the height on both sides of the tile edge.
* Avoid testing the height on the tile-center. This will fail for halftile-foundations.
*/
- int z1 = GetSlopeZ(x1 + dx4, y1 + dy4);
- int z2 = GetSlopeZ(x2 - dx4, y2 - dy4);
+ int z1 = GetSlopePixelZ(x1 + dx4, y1 + dy4);
+ int z2 = GetSlopePixelZ(x2 - dx4, y2 - dy4);
if (z2 - z1 > 1) {
/* Slope up */