diff --git a/src/addrman.cpp b/src/addrman.cpp
index 95bf5eb9c6..835b9aa6fe 100644
--- a/src/addrman.cpp
+++ b/src/addrman.cpp
@@ -581,11 +581,10 @@ bool AddrManImpl::AddSingle(const CAddress& addr, const CNetAddr& source, int64_
             return false;
 
         // stochastic test: previous nRefCount == N: 2^N times harder to increase it
-        int nFactor = 1;
-        for (int n = 0; n < pinfo->nRefCount; n++)
-            nFactor *= 2;
-        if (nFactor > 1 && (insecure_rand.randrange(nFactor) != 0))
-            return false;
+        if (pinfo->nRefCount > 0) {
+            const int nFactor{1 << pinfo->nRefCount};
+            if (insecure_rand.randrange(nFactor) != 0) return false;
+        }
     } else {
         pinfo = Create(addr, source, &nId);
         pinfo->nTime = std::max((int64_t)0, (int64_t)pinfo->nTime - nTimePenalty);