diff --git a/src/libslic3r/PrintObject.cpp b/src/libslic3r/PrintObject.cpp
index 140e33ab8..86bbc4373 100644
--- a/src/libslic3r/PrintObject.cpp
+++ b/src/libslic3r/PrintObject.cpp
@@ -538,8 +538,6 @@ void PrintObject::simplify_extrusion_path()
     }
 
     if (this->set_started(posSimplifySupportPath)) {
-        //BBS: disable circle simplification for support as it causes separation of support walls
-        #if 0
         m_print->set_status(75, L("Optimizing toolpath"));
         BOOST_LOG_TRIVIAL(debug) << "Simplify extrusion path of support in parallel - start";
         tbb::parallel_for(
@@ -553,7 +551,6 @@ void PrintObject::simplify_extrusion_path()
         );
         m_print->throw_if_canceled();
         BOOST_LOG_TRIVIAL(debug) << "Simplify extrusion path of support in parallel - end";
-        #endif
         this->set_done(posSimplifySupportPath);
     }
 }
diff --git a/src/libslic3r/libslic3r.h b/src/libslic3r/libslic3r.h
index b8929aac6..aba7f9d52 100644
--- a/src/libslic3r/libslic3r.h
+++ b/src/libslic3r/libslic3r.h
@@ -65,7 +65,7 @@ static constexpr double RESOLUTION = 0.0125;
 static constexpr double SPARSE_INFILL_RESOLUTION = 0.04;
 #define                 SCALED_SPARSE_INFILL_RESOLUTION (SPARSE_INFILL_RESOLUTION / SCALING_FACTOR)
 
-static constexpr double SUPPORT_RESOLUTION = 0.1;
+static constexpr double SUPPORT_RESOLUTION = 0.0375;
 #define                 SCALED_SUPPORT_RESOLUTION (SUPPORT_RESOLUTION / SCALING_FACTOR)
 // Maximum perimeter length for the loop to apply the small perimeter speed. 
 #define                 SMALL_PERIMETER_LENGTH(LENGTH)  (((LENGTH)/SCALING_FACTOR)*2*PI)