diff --git a/nimbus/db/capturedb.nim b/nimbus/db/capturedb.nim
index e13d0dc3d..6801717c0 100644
--- a/nimbus/db/capturedb.nim
+++ b/nimbus/db/capturedb.nim
@@ -17,7 +17,7 @@ proc get*(db: CaptureDB, key: openArray[byte]): seq[byte] =
   result = db.dstDb.get(key)
   if result.len != 0: return
   result = db.srcDb.get(key)
-  if result.len == 0:
+  if result.len != 0:
     db.dstDb.put(key, result)
 
 proc put*(db: CaptureDB, key, value: openArray[byte]) =