diff --git a/src/fieldSources/derived/fixedTemperatureSource/fixedTemperatureSource.C b/src/fieldSources/derived/fixedTemperatureSource/fixedTemperatureSource.C
index 2d9cc96f0dec105e7d36d1103795a91566e3064a..34db0a7e3e97eac740646c4b414f7d1bb79778c8 100644
--- a/src/fieldSources/derived/fixedTemperatureSource/fixedTemperatureSource.C
+++ b/src/fieldSources/derived/fixedTemperatureSource/fixedTemperatureSource.C
@@ -45,7 +45,7 @@ namespace Foam
     template<>
     const char* NamedEnum<fixedTemperatureSource::temperatureMode, 2>::names[] =
     {
-        "constantTemperature",
+        "constant",
         "lookup"
     };
 }