diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index 7a8677e0e0..1ca66c68d7 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -3651,7 +3651,11 @@ void PeerManagerImpl::ProcessMessage(
 
         int64_t nTimeOffset = nTime - GetTime();
         pfrom.nTimeOffset = nTimeOffset;
-        AddTimeData(pfrom.addr, nTimeOffset);
+        if (!pfrom.IsInboundConn()) {
+            // Don't use timedata samples from inbound peers to make it
+            // harder for others to tamper with our adjusted time.
+            AddTimeData(pfrom.addr, nTimeOffset);
+        }
 
         // Feeler connections exist only to verify if address is online.
         if (pfrom.IsFeelerConn()) {