1 files changed, 1 insertions, 1 deletions
diff --git a/matrix.c b/matrix.c
index ebcdecd..0a8925e 100644
--- a/matrix.c
+++ b/matrix.c
@@ -353,9 +353,9 @@ Vector *matrix_backsubst(const Matrix *R, const Vector *y)
 {
     assert(R->n == y->m && "Dimension mismatch");
     assert(y->is_colvec && "Column vector y expected");
-    Vector *x = vector_alloc(R->n);
 
     double sum;
+    Vector *x = vector_alloc(R->n);
 
     for (int i = x->m - 1; i >= 0; --i)
     {