1 files changed, 7 insertions, 7 deletions
diff --git a/scene/resources/surface_tool.h b/scene/resources/surface_tool.h
index ea6069e7c1..17efdcba71 100644
--- a/scene/resources/surface_tool.h
+++ b/scene/resources/surface_tool.h
@@ -89,17 +89,17 @@ private:
 	};
 
 	struct WeightSort {
-		int index;
-		float weight;
+		int index = 0;
+		float weight = 0.0;
 		bool operator<(const WeightSort &p_right) const {
 			return weight < p_right.weight;
 		}
 	};
 
-	bool begun;
-	bool first;
-	Mesh::PrimitiveType primitive;
-	uint32_t format;
+	bool begun = false;
+	bool first = false;
+	Mesh::PrimitiveType primitive = Mesh::PRIMITIVE_LINES;
+	uint32_t format = 0;
 	Ref<Material> material;
 	//arrays
 	LocalVector<Vertex> vertex_array;
@@ -115,7 +115,7 @@ private:
 	Plane last_tangent;
 	uint32_t last_smooth_group = 0;
 
-	SkinWeightCount skin_weights;
+	SkinWeightCount skin_weights = SKIN_4_WEIGHTS;
 
 	Color last_custom[RS::ARRAY_CUSTOM_COUNT];