diff --git a/mesure.c b/mesure.c
index 7b436743..7d3a2820 100644
--- a/mesure.c
+++ b/mesure.c
@@ -1081,7 +1081,7 @@ static int ScanReflection(pMesure self, float twoTheta, SConnection *pCon)
     /* get temperature */
     fTemp = -777.77;
     pEva = (pEVControl)FindCommandData(pServ->pSics,"temperature",
-                                      "Environment Controller");
+                                      "Environment_Controller");
     if(pEva == NULL)
     {
         pPtr = (pDummy)FindCommandData(pServ->pSics,"temperature",
diff --git a/sinfox.h b/sinfox.h
index 7e66b929..98070086 100644
--- a/sinfox.h
+++ b/sinfox.h
@@ -56,7 +56,7 @@ char *pDeviceTypes[25] = {
     "connection",
     "crystalselector",
     "environment monitor",
-    "environment controller",
+    "environment_controller",
     "gpib",
     "hklscan",
     "hmcontrol",