1 files changed, 2 insertions, 2 deletions
diff --git a/src/DabModulator.h b/src/DabModulator.h
index fb2d758..41fa42d 100644
--- a/src/DabModulator.h
+++ b/src/DabModulator.h
@@ -55,7 +55,7 @@ public:
             unsigned outputRate, unsigned clockRate,
             unsigned dabMode, GainMode gainMode,
             float& digGain, float normalise,
-            std::string& filterTapsFilename);
+            const std::string& filterTapsFilename);
     DabModulator(const DabModulator& other) = delete;
     DabModulator& operator=(const DabModulator& other) = delete;
     virtual ~DabModulator();
@@ -78,7 +78,7 @@ protected:
     EtiReader myEtiReader;
     Flowgraph* myFlowgraph;
     OutputMemory* myOutput;
-    std::string& myFilterTapsFilename;
+    std::string myFilterTapsFilename;
     tii_config_t& myTiiConfig;
 
     size_t myNbSymbols;