diff --git a/src/Solver.cpp b/src/Solver.cpp
index 5f05d14..96aef1a 100644
--- a/src/Solver.cpp
+++ b/src/Solver.cpp
@@ -36,7 +36,18 @@ VectAffine Solver::TriangularSystem() const {
 	Vect noyau = solver.Kernel();
 	Matrix origin = mat.SubMatrix(0, mat.GetColumnCount() - 1, mat.GetRawCount(), 1);
 
-	return {noyau, origin};
+	// on rajoute des 0 si il faut
+
+	Matrix fullOrigin {mat.GetColumnCount() - 1, 1};
+	for (int i = 0; i < mat.GetRawCount(); i++) {
+		fullOrigin.at(i, 0) = origin.at(i, 0);
+	}
+
+	for (int i = mat.GetRawCount(); i < mat.GetColumnCount() - 1; i++) {
+		fullOrigin.at(i, 0) = 0;
+	}
+
+	return {noyau, fullOrigin};
 }
 
 std::size_t Solver::Rank() const {