diff --git a/modules/wfc/propagator.h b/modules/wfc/propagator.h
index 2ceed6b8b..3673016c5 100644
--- a/modules/wfc/propagator.h
+++ b/modules/wfc/propagator.h
@@ -13,12 +13,10 @@ public:
 		Vector<uint32_t> directions[4];
 	};
 
-	using PropagatorState = Vector<PropagatorEntry>;
-
 private:
 	const uint32_t patterns_size;
 
-	PropagatorState propagator_state;
+	Vector<PropagatorEntry> propagator_state;
 
 	const uint32_t wave_width;
 	const uint32_t wave_height;
@@ -66,8 +64,7 @@ private:
 	void init_compatible();
 
 public:
-	Propagator(uint32_t wave_height, uint32_t wave_width, bool periodic_output,
-			PropagatorState propagator_state) :
+	Propagator(uint32_t wave_height, uint32_t wave_width, bool periodic_output, Vector<PropagatorEntry> propagator_state) :
 			patterns_size(propagator_state.size()),
 			propagator_state(propagator_state),
 			wave_width(wave_width),
diff --git a/modules/wfc/tiling_wfc.h b/modules/wfc/tiling_wfc.h
index 866ae5fa7..f785b2f21 100644
--- a/modules/wfc/tiling_wfc.h
+++ b/modules/wfc/tiling_wfc.h
@@ -179,9 +179,7 @@ public:
 
 private:
 	// Generate mapping from id to oriented tiles and vice versa.
-	static std::pair<Vector<std::pair<uint32_t, uint32_t>>,
-			Vector<Vector<uint32_t>>>
-	generate_oriented_tile_ids(const Vector<Tile<T>> &tiles) {
+	static std::pair<Vector<std::pair<uint32_t, uint32_t>>, Vector<Vector<uint32_t>>> generate_oriented_tile_ids(const Vector<Tile<T>> &tiles) {
 		Vector<std::pair<uint32_t, uint32_t>> id_to_oriented_tile;
 		Vector<Vector<uint32_t>> oriented_tile_ids;
 
@@ -215,8 +213,10 @@ private:
 			Vector<Tile<T>> tiles,
 			Vector<std::pair<uint32_t, uint32_t>> id_to_oriented_tile,
 			Vector<Vector<uint32_t>> oriented_tile_ids) {
+
 		size_t nb_oriented_tiles = id_to_oriented_tile.size();
-		Vector<DensePropagatorHelper> dense_propagator(nb_oriented_tiles, { Vector<bool>(nb_oriented_tiles, false), Vector<bool>(nb_oriented_tiles, false), Vector<bool>(nb_oriented_tiles, false), Vector<bool>(nb_oriented_tiles, false) });
+
+		Vector<DensePropagatorHelper> dense_propagator;
 		dense_propagator.resize(nb_oriented_tiles);
 		for (int i = 0; i < nb_oriented_tiles; ++i) {
 			dense_propagator.write[i].resize(nb_oriented_tiles);
@@ -227,10 +227,8 @@ private:
 			uint32_t orientation1 = std::get<1>(neighbor);
 			uint32_t tile2 = std::get<2>(neighbor);
 			uint32_t orientation2 = std::get<3>(neighbor);
-			Vector<Vector<uint32_t>> action_map1 =
-					Tile<T>::generate_action_map(tiles[tile1].symmetry);
-			Vector<Vector<uint32_t>> action_map2 =
-					Tile<T>::generate_action_map(tiles[tile2].symmetry);
+			Vector<Vector<uint32_t>> action_map1 = Tile<T>::generate_action_map(tiles[tile1].symmetry);
+			Vector<Vector<uint32_t>> action_map2 = Tile<T>::generate_action_map(tiles[tile2].symmetry);
 
 			auto add = [&](uint32_t action, uint32_t direction) {
 				uint32_t temp_orientation1 = action_map1[action][orientation1];
@@ -346,6 +344,7 @@ public:
 
 		uint32_t oriented_tile_id = oriented_tile_ids[tile_id][orientation];
 		set_tile(oriented_tile_id, i, j);
+		
 		return true;
 	}
 
diff --git a/modules/wfc/wfc.cpp b/modules/wfc/wfc.cpp
index 92a35c606..d6f11a29f 100644
--- a/modules/wfc/wfc.cpp
+++ b/modules/wfc/wfc.cpp
@@ -36,8 +36,7 @@ Array2D<uint32_t> WFC::wave_to_output() const {
 
 WFC::WFC(bool periodic_output, int seed,
 		Vector<double> patterns_frequencies,
-		Propagator::PropagatorState propagator, uint32_t wave_height,
-		uint32_t wave_width) :
+		Vector<Propagator::PropagatorEntry> propagator, uint32_t wave_height, uint32_t wave_width) :
 		gen(seed), patterns_frequencies(normalize(patterns_frequencies)), wave(wave_height, wave_width, patterns_frequencies), nb_patterns(propagator.size()), propagator(wave.height, wave.width, periodic_output, propagator) {}
 
 Array2D<uint32_t> WFC::run() {
diff --git a/modules/wfc/wfc.h b/modules/wfc/wfc.h
index 0bb782cc7..fb5df6745 100644
--- a/modules/wfc/wfc.h
+++ b/modules/wfc/wfc.h
@@ -33,7 +33,7 @@ private:
 public:
 	// Basic constructor initializing the algorithm.
 	WFC(bool periodic_output, int seed, Vector<double> patterns_frequencies,
-			Propagator::PropagatorState propagator, uint32_t wave_height,
+			Vector<Propagator::PropagatorEntry> propagator, uint32_t wave_height,
 			uint32_t wave_width);
 
 	// Run the algorithm, and return a result if it succeeded.