diff --git a/devices/collimatorX.properties b/devices/collimatorX.properties
index 753ec94..287f98f 100644
--- a/devices/collimatorX.properties
+++ b/devices/collimatorX.properties
@@ -1,4 +1,4 @@
-#Tue May 19 16:10:51 CEST 2015
+#Tue May 19 17:54:17 CEST 2015
 accessType=ReadWrite
 defaultSpeed=1.0
 maxSpeed=1.0
@@ -7,6 +7,6 @@ minSpeed=0.1
 minValue=-1.5
 offset=0.0
 precision=4
-resolution=0.001
+resolution=NaN
 scale=1.0
 unit=mm