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-rw-r--r--src/mbgl/shaders/line_sdf.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mbgl/shaders/line_sdf.cpp b/src/mbgl/shaders/line_sdf.cpp
index c5d50566e8..9b6bf47301 100644
--- a/src/mbgl/shaders/line_sdf.cpp
+++ b/src/mbgl/shaders/line_sdf.cpp
@@ -171,7 +171,7 @@ void main() {
offset = -1.0 * offset;
float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);
- float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;
+ float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + (halfwidth == 0.0 ? 0.0 : ANTIALIASING);
// Scale the extrusion vector down to a normal and then up by the line width
// of this vertex.