1 files changed, 1 insertions, 1 deletions
diff --git a/src/policy/fees.h b/src/policy/fees.h
index f4ef793643..6edaf28714 100644
--- a/src/policy/fees.h
+++ b/src/policy/fees.h
@@ -284,7 +284,7 @@ private:
 
 public:
     /** Create new FeeFilterRounder */
-    FeeFilterRounder(const CFeeRate& minIncrementalFee);
+    explicit FeeFilterRounder(const CFeeRate& minIncrementalFee);
 
     /** Quantize a minimum fee for privacy purpose before broadcast **/
     CAmount round(CAmount currentMinFee);