diff --git a/base/uk.ac.stfc.isis.ibex.opis/resources/pre4500.opi b/base/uk.ac.stfc.isis.ibex.opis/resources/pre4500.opi
index 99b4aedb6f..a3903ec260 100644
--- a/base/uk.ac.stfc.isis.ibex.opis/resources/pre4500.opi
+++ b/base/uk.ac.stfc.isis.ibex.opis/resources/pre4500.opi
@@ -62,7 +62,7 @@
     </scale_options>
     <scripts />
     <show_scrollbar>false</show_scrollbar>
-    <text>PRE4500 Temperature Controller</text>
+    <text>PRE4500 Temperature Monitor</text>
     <tooltip></tooltip>
     <transparent>false</transparent>
     <vertical_alignment>1</vertical_alignment>
@@ -736,4 +736,4 @@ $(trace_0_y_pv_value)</tooltip>
     <x>12</x>
     <y>108</y>
   </widget>
-</display>
\ No newline at end of file
+</display>