diff --git a/src/libslic3r/Point.hpp b/src/libslic3r/Point.hpp
index 2e0e577561..eda75a2b2f 100644
--- a/src/libslic3r/Point.hpp
+++ b/src/libslic3r/Point.hpp
@@ -406,7 +406,7 @@ public:
 			++ m_grid_log2;
 		m_grid_resolution = 1 << m_grid_log2;
 		assert(m_grid_resolution >= gridres);
-		assert(gridres > m_grid_resolution / 2);
+		assert(gridres >= m_grid_resolution / 2);
     }
 
     void insert(const ValueType &value) {