diff --git a/src/libslic3r/ExtrusionEntity.cpp b/src/libslic3r/ExtrusionEntity.cpp
index b90c50c49..69a856d47 100644
--- a/src/libslic3r/ExtrusionEntity.cpp
+++ b/src/libslic3r/ExtrusionEntity.cpp
@@ -68,7 +68,8 @@ void ExtrusionPath::polygons_covered_by_spacing(Polygons &out, const float scale
 
 bool ExtrusionPath::can_merge(const ExtrusionPath& other)
 {
-    return  curve_degree==other.curve_degree &&
+    return overhang_degree == other.overhang_degree &&
+            curve_degree==other.curve_degree &&
             mm3_per_mm == other.mm3_per_mm &&
             width == other.width &&
             height == other.height &&