diff --git a/clip.cpp b/clip.cpp
index 9b778391..ca0af8e3 100644
--- a/clip.cpp
+++ b/clip.cpp
@@ -2543,6 +2543,7 @@ void coalesce_polygon(drawvec &geom, bool scale_up) {
 
 				// Clean the combined geometry
 				geom = clean_or_clip_poly(geom, 0, 0, false, scale_up);
+				return;
 			}
 
 			i = j - 1;