diff --git a/src/TNL/Matrices/CSR.h b/src/TNL/Matrices/CSR.h
index 10b7184569e80ceaea1b560dd39142e9098c672b..fab302bededc53e72a6553a3a87e3173b90d40a2 100644
--- a/src/TNL/Matrices/CSR.h
+++ b/src/TNL/Matrices/CSR.h
@@ -84,7 +84,7 @@ public:
    IndexType getRowLengthFast( const IndexType row ) const;
 
    IndexType getNonZeroRowLength( const IndexType row ) const;
-
+   
    __cuda_callable__
    IndexType getNonZeroRowLengthFast( const IndexType row ) const;