diff --git a/src/pow.cpp b/src/pow.cpp
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -10,6 +10,7 @@
 #include "chain.h"
 #include "primitives/block.h"
 #include "uint256.h"
+#include "util.h"
 
 /**
  * Compute the next required proof of work using the legacy Bitcoin difficulty
@@ -97,6 +98,11 @@
         return pindexPrev->nBits;
     }
 
+    if (pindexPrev->GetMedianTimePast() >=
+        GetArg("-newdaaactivationtime", params.cashHardForkActivationTime)) {
+        return GetNextCashWorkRequired(pindexPrev, pblock, params);
+    }
+
     return GetNextEDAWorkRequired(pindexPrev, pblock, params);
 }