diff --git a/miners.json b/miners.json
index 9e5bccb..0b37be5 100644
--- a/miners.json
+++ b/miners.json
@@ -81,7 +81,7 @@
       "bin": "/usr/bin/tpccminer -a keccakc -o stratum+tcp://{HOST}:{PORT} -u {USERNAME} -p {PASSWORD}",
       "power_limit": [115,115,115,95], "gpu_oc": [-100,-100,-100,0], "mem_oc": 0, "fan": 65,
       "speed": 2.430, "power": 0.525,
-      "last_benchmark": "none"
+      "last_benchmark": "2018-05-04"
     },
     "LBRY":
     {
@@ -101,8 +101,8 @@
     {
       "bin": "/usr/bin/tpccminer -a lyra2z -o stratum+tcp://{HOST}:{PORT} -u {USERNAME} -p {PASSWORD}",
       "power_limit": [115,115,115,95], "gpu_oc": [-100,-100,-100,0], "mem_oc": 0, "fan": 65,
-      "speed": 0.124, "power": 0.505,
-      "last_benchmark": "none"
+      "speed": 0.0064, "power": 0.505,
+      "last_benchmark": "2018-05-04"
     },
     "Myriad-Groestl":
     {
@@ -157,8 +157,8 @@
     {
       "bin": "/usr/bin/tpccminer -a sha256t -o stratum+tcp://{HOST}:{PORT} -u {USERNAME} -p {PASSWORD}",
       "power_limit": [115,115,115,95], "gpu_oc": [-100,-100,-100,0], "mem_oc": 0, "fan": 65,
-      "speed": 0.0, "power": 0.480,
-      "last_benchmark": "none"
+      "speed": 1.65, "power": 0.480,
+      "last_benchmark": "2018-05-04"
     },
     "Sib":
     {
diff --git a/zpool-switch.py b/zpool-switch.py
index af8900d..bbac42f 100755
--- a/zpool-switch.py
+++ b/zpool-switch.py
@@ -87,7 +87,7 @@ try:
   data["equihash"]["estimate"]*=1000
 except:
   pass
-for i in ["scrypt", "blakecoin", "blake2s", "decred", "x11", "quark", "qubit", "keccak", "keccakc"]:
+for i in ["scrypt", "blakecoin", "blake2s", "decred", "x11", "quark", "qubit", "keccak", "keccakc", "sha256t"]:
   try:
     data[i]["estimate"]/=1000
   except: