diff --git a/nimbus/vm/precompiles.nim b/nimbus/vm/precompiles.nim
index 9887bef8d..17b1901ea 100644
--- a/nimbus/vm/precompiles.nim
+++ b/nimbus/vm/precompiles.nim
@@ -229,20 +229,20 @@ proc modExpFee(c: Computation, baseLen, expLen, modLen: Uint256, fork: Fork): Ga
       max(adjExpLen, 1.u256)
     ) div divisor
 
-  # EIP2565: temporary disabled
-  #let gasFee = if fork >= FkBerlin: gasCalc(mulComplexityEIP2565, GasQuadDivisorEIP2565)
-               #else: gasCalc(mulComplexity, GasQuadDivisor)
+  # EIP2565: modExp gas cost
+  let gasFee = if fork >= FkBerlin: gasCalc(mulComplexityEIP2565, GasQuadDivisorEIP2565)
+               else: gasCalc(mulComplexity, GasQuadDivisor)
 
-  let gasFee = gasCalc(mulComplexity, GasQuadDivisor)
+  #let gasFee = gasCalc(mulComplexity, GasQuadDivisor)
 
   if gasFee > high(GasInt).u256:
     raise newException(OutOfGas, "modExp gas overflow")
 
   result = gasFee.truncate(GasInt)
 
-  # EIP2565: temporary disabled
-  #if fork >= FkBerlin and result < 200.GasInt:
-  #  result = 200.GasInt
+  # EIP2565: modExp gas cost
+  if fork >= FkBerlin and result < 200.GasInt:
+    result = 200.GasInt
 
 proc modExp*(c: Computation, fork: Fork = FkByzantium) =
   ## Modular exponentiation precompiled contract
diff --git a/nimbus/vm2/precompiles.nim b/nimbus/vm2/precompiles.nim
index f3c007870..e0ed221dd 100644
--- a/nimbus/vm2/precompiles.nim
+++ b/nimbus/vm2/precompiles.nim
@@ -239,20 +239,20 @@ proc modExpFee(c: Computation, baseLen, expLen, modLen: Uint256, fork: Fork): Ga
       max(adjExpLen, 1.u256)
     ) div divisor
 
-  # EIP2565: temporary disabled
-  #let gasFee = if fork >= FkBerlin: gasCalc(mulComplexityEIP2565, GasQuadDivisorEIP2565)
-               #else: gasCalc(mulComplexity, GasQuadDivisor)
+  # EIP2565: modExp gas cost
+  let gasFee = if fork >= FkBerlin: gasCalc(mulComplexityEIP2565, GasQuadDivisorEIP2565)
+               else: gasCalc(mulComplexity, GasQuadDivisor)
 
-  let gasFee = gasCalc(mulComplexity, GasQuadDivisor)
+  # let gasFee = gasCalc(mulComplexity, GasQuadDivisor)
 
   if gasFee > high(GasInt).u256:
     raise newException(OutOfGas, "modExp gas overflow")
 
   result = gasFee.truncate(GasInt)
 
-  # EIP2565: temporary disabled
-  #if fork >= FkBerlin and result < 200.GasInt:
-  #  result = 200.GasInt
+  # EIP2565: modExp gas cost
+  if fork >= FkBerlin and result < 200.GasInt:
+    result = 200.GasInt
 
 proc modExp*(c: Computation, fork: Fork = FkByzantium) =
   ## Modular exponentiation precompiled contract
diff --git a/tests/test_allowed_to_fail.nim b/tests/test_allowed_to_fail.nim
index b9d1efe4b..3286ec3c5 100644
--- a/tests/test_allowed_to_fail.nim
+++ b/tests/test_allowed_to_fail.nim
@@ -129,5 +129,7 @@ func skipNewBCTests*(folder: string, name: string): bool =
   ]
 
 func skipPrecompilesTests*(folder: string, name: string): bool =
-  # EIP2565: temporary disabled
-  name == "modexp_eip2565.json"
+  # EIP2565: modExp gas cost
+  # reason: included in berlin
+  # name == "modexp_eip2565.json"
+  return false