diff --git a/src/komodo_utils.h b/src/komodo_utils.h
index 0c9281e58..22cc4fdf2 100644
--- a/src/komodo_utils.h
+++ b/src/komodo_utils.h
@@ -1548,10 +1548,10 @@ void komodo_args(char *argv0)
         ASSETCHAINS_DECAY = GetArg("-ac_decay",0);
         ASSETCHAINS_COMMISSION = GetArg("-ac_perc",0);
         ASSETCHAINS_OVERRIDE_PUBKEY = GetArg("-ac_pubkey","");
-        if ( ASSETCHAINS_HALVING != 0 && ASSETCHAINS_HALVING < 10000 )
+        if ( ASSETCHAINS_HALVING != 0 && ASSETCHAINS_HALVING < 1440 )
         {
-            ASSETCHAINS_HALVING = 10000;
-            printf("ASSETCHAINS_HALVING must be at least 10000 blocks\n");
+            ASSETCHAINS_HALVING = 1440;
+            printf("ASSETCHAINS_HALVING must be at least 1440 blocks\n");
         }
         if ( ASSETCHAINS_DECAY == 100000000 && ASSETCHAINS_ENDSUBSIDY == 0 )
         {
diff --git a/src/main.cpp b/src/main.cpp
index 8d66ebe72..7f373e03b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1497,6 +1497,7 @@ extern uint64_t ASSETCHAINS_ENDSUBSIDY,ASSETCHAINS_REWARD,ASSETCHAINS_HALVING,AS
 
 CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
 {
+    static uint64_t cached_subsidy; static int32_t cached_numhalvings;
     int32_t numhalvings,i; uint64_t numerator; CAmount nSubsidy = 3 * COIN;
     if ( ASSETCHAINS_SYMBOL[0] == 0 )
     {
@@ -1534,8 +1535,15 @@ CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
                         }
                         else
                         {
-                            for (i=0; i<numhalvings&&nSubsidy!=0; i++)
-                                nSubsidy = (nSubsidy * ASSETCHAINS_DECAY) / 100000000;
+                            if ( cached_subsidy > 0 && cached_numhalvings == numhalvings )
+                                nSubsidy = cached_subsidy;
+                            else
+                            {
+                                for (i=0; i<numhalvings&&nSubsidy!=0; i++)
+                                    nSubsidy = (nSubsidy * ASSETCHAINS_DECAY) / 100000000;
+                                cached_subsidy = nSubsidy;
+                                cached_numhalvings = numhalvings;
+                            }
                         }
                     }
                 }