diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 41eb352ab..df9b8ee43 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -771,6 +771,11 @@ void CWallet::DecrementNoteWitnesses()
         }
         // TODO: If nWitnessCache is zero, we need to regenerate the caches (#1302)
         assert(nWitnessCacheSize > 0);
+        if ( nWitnessCacheSize <= 0 )
+        {
+            extern char ASSETCHAINS_SYMBOL[16];
+            fprintf(stderr,"%s nWitnessCacheSize.%d\n",ASSETCHAINS_SYMBOL,(int32_t)nWitnessCacheSize);
+        }
         if (fFileBacked) {
             CWalletDB walletdb(strWalletFile);
             WriteWitnessCache(walletdb);