diff --git a/src/libslic3r/Print.cpp b/src/libslic3r/Print.cpp
index d5a1fa178..9114b4c5f 100644
--- a/src/libslic3r/Print.cpp
+++ b/src/libslic3r/Print.cpp
@@ -1931,7 +1931,7 @@ void Print::_make_brim()
 			for (size_t i = 0; i < loops_trimmed_order.size();) {
 				// Find all pieces that the initial loop was split into.
 				size_t j = i + 1;
-				for (; j < loops_trimmed_order.size() && loops_trimmed_order[i].first == loops_trimmed_order[j].first; ++ j) ;
+                for (; j < loops_trimmed_order.size() && loops_trimmed_order[i].second == loops_trimmed_order[j].second; ++ j) ;
 				const ClipperLib_Z::Path &first_path = *loops_trimmed_order[i].first;
 				if (i + 1 == j && first_path.size() > 3 && first_path.front().X == first_path.back().X && first_path.front().Y == first_path.back().Y) {
 					auto *loop = new ExtrusionLoop();