diff --git a/include/bounce/dynamics/cloth/sparse_sym_mat33.h b/include/bounce/dynamics/cloth/sparse_sym_mat33.h
index af9f94b..b42f733 100644
--- a/include/bounce/dynamics/cloth/sparse_sym_mat33.h
+++ b/include/bounce/dynamics/cloth/sparse_sym_mat33.h
@@ -245,7 +245,7 @@ inline const b3Mat33& b3SparseSymMat33::operator()(u32 i, u32 j) const
 			break;
 		}
 
-		if (column == i)
+		if (column == j)
 		{
 			return v->value;
 		}
@@ -444,4 +444,4 @@ inline b3DenseVec3 operator*(const b3SparseSymMat33& A, const b3DenseVec3& v)
 	return result;
 }
 
-#endif
\ No newline at end of file
+#endif