diff --git a/extern/quadriflow/patches/blender.patch b/extern/quadriflow/patches/blender.patch
index 9e694a2d616..42e0cd4d235 100644
--- a/extern/quadriflow/patches/blender.patch
+++ b/extern/quadriflow/patches/blender.patch
@@ -231,3 +231,22 @@ index 355ee008246..a770bbee60c 100644
          }
          allocator.deallocate(values, capacity);
          capacity = 0;
+diff --git a/extern/quadriflow/src/hierarchy.cpp b/extern/quadriflow/src/hierarchy.cpp
+index 8cc41da23d0..70a9628320f 100644
+--- a/extern/quadriflow/src/hierarchy.cpp
++++ b/extern/quadriflow/src/hierarchy.cpp
+@@ -269,7 +269,13 @@ void Hierarchy::DownsampleGraph(const AdjacentMatrix adj, const MatrixXd& V, con
+         for (auto it = ad.begin(); it != ad.end(); ++it, ++entry_it) {
+             int k = it->id;
+             double dp = N.col(i).dot(N.col(k));
+-            double ratio = A[i] > A[k] ? (A[i] / A[k]) : (A[k] / A[i]);
++            double ratio;
++            if (A[i] > A[k]) {
++                ratio = (A[k] == 0.0f) ? 1.0f : A[i] / A[k];
++            }
++            else {
++                ratio = (A[i] == 0.0f) ? 1.0f : A[k] / A[i];
++            }
+             *entry_it = Entry(i, k, dp * ratio);
+         }
+     }
\ No newline at end of file
diff --git a/extern/quadriflow/src/hierarchy.cpp b/extern/quadriflow/src/hierarchy.cpp
index 8cc41da23d0..70a9628320f 100644
--- a/extern/quadriflow/src/hierarchy.cpp
+++ b/extern/quadriflow/src/hierarchy.cpp
@@ -269,7 +269,13 @@ void Hierarchy::DownsampleGraph(const AdjacentMatrix adj, const MatrixXd& V, con
         for (auto it = ad.begin(); it != ad.end(); ++it, ++entry_it) {
             int k = it->id;
             double dp = N.col(i).dot(N.col(k));
-            double ratio = A[i] > A[k] ? (A[i] / A[k]) : (A[k] / A[i]);
+            double ratio;
+            if (A[i] > A[k]) {
+                ratio = (A[k] == 0.0f) ? 1.0f : A[i] / A[k];
+            }
+            else {
+                ratio = (A[i] == 0.0f) ? 1.0f : A[k] / A[i];
+            }
             *entry_it = Entry(i, k, dp * ratio);
         }
     }