diff --git a/nimbus/vm/precompiles.nim b/nimbus/vm/precompiles.nim
index 19c41d651..0dd2aed07 100644
--- a/nimbus/vm/precompiles.nim
+++ b/nimbus/vm/precompiles.nim
@@ -138,10 +138,12 @@ proc modExpInternal(computation: var BaseComputation, base_len, exp_len, mod_len
           max(adj_exp_len, 1)
       ) div GasQuadDivisor
 
+    computation.gasMeter.consumeGas(gasFee, reason="ModExp Precompile")
+
   block: # Processing
     # TODO: specs mentions that we should return in "M" format
-    # i.e. if Base and exp are uint512 and Modulo an uint256
-    # we should return a 256-bit big-endian byte array
+    #       i.e. if Base and exp are uint512 and Modulo an uint256
+    #       we should return a 256-bit big-endian byte array
 
     # Force static evaluation
     func zero(): static array[T.bits div 8, byte] = discard
diff --git a/tests/test_precompiles.nim b/tests/test_precompiles.nim
index 763683e88..2ed291f09 100644
--- a/tests/test_precompiles.nim
+++ b/tests/test_precompiles.nim
@@ -39,18 +39,17 @@ template doTest(fixture: JsonNode, address: byte, action: untyped): untyped =
 proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus) =
   for label, child in fixtures:
     case toLowerAscii(label)
-    # of "ecrecover": child.doTest(paEcRecover.ord, ecRecover)
-    # of "sha256": child.doTest(paSha256.ord, sha256)
-    # of "ripemd": child.doTest(paRipeMd160.ord, ripemd160)
-    # of "identity": child.doTest(paIdentity.ord, identity)
+    of "ecrecover": child.doTest(paEcRecover.ord, ecRecover)
+    of "sha256": child.doTest(paSha256.ord, sha256)
+    of "ripemd": child.doTest(paRipeMd160.ord, ripemd160)
+    of "identity": child.doTest(paIdentity.ord, identity)
     of "modexp": child.doTest(paModExp.ord, modexp)
-    # of "bn256add": child.doTest(paEcAdd.ord, bn256ECAdd)
-    # of "bn256mul": child.doTest(paEcMul.ord, bn256ECMul)
-    # of "ecpairing": child.doTest(paPairing.ord, bn256ecPairing)
+    of "bn256add": child.doTest(paEcAdd.ord, bn256ECAdd)
+    of "bn256mul": child.doTest(paEcMul.ord, bn256ECMul)
+    of "ecpairing": child.doTest(paPairing.ord, bn256ecPairing)
     else:
       #raise newException(ValueError, "Unknown test vector '" & $label & "'")
-      # echo "Unknown test vector '" & $label & "'"
-      discard
+      echo "Unknown test vector '" & $label & "'"
 
 suite "Precompiles":
   jsonTest("PrecompileTests", testFixture)