diff --git a/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs b/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs
index 289ab609..de711c67 100644
--- a/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs
+++ b/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs
@@ -1224,7 +1224,7 @@ namespace MathNet.Numerics.LinearAlgebra.Double
                 return;
             }
 
-            if (scalar == 0.0)
+            if (scalar == 0.0 || NonZerosCount == 0)
             {
                 result.Clear();
                 return;