diff --git a/src/postProcessing/Allwmake b/src/postProcessing/Allwmake
index 2af3a8dd33..ed91892bde 100755
--- a/src/postProcessing/Allwmake
+++ b/src/postProcessing/Allwmake
@@ -3,3 +3,5 @@ set -x
 
 wmake libo postCalc
 wmake libso forces
+wmake libso fieldAverage
+
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/Make/files b/src/postProcessing/fieldAverage/Make/files
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/Make/files
rename to src/postProcessing/fieldAverage/Make/files
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/Make/options b/src/postProcessing/fieldAverage/Make/options
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/Make/options
rename to src/postProcessing/fieldAverage/Make/options
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/controlDict b/src/postProcessing/fieldAverage/controlDict
similarity index 97%
rename from applications/utilities/postProcessing/sampling/fieldAverage/controlDict
rename to src/postProcessing/fieldAverage/controlDict
index b20a0d1fdb..5dc2b007f9 100644
--- a/applications/utilities/postProcessing/sampling/fieldAverage/controlDict
+++ b/src/postProcessing/fieldAverage/controlDict
@@ -62,7 +62,7 @@ functions
         // Where to load it from (if not already in solver)
         functionObjectLibs ("libfieldAverage.so");
 
-        // Fields to be probed. runTime modifiable!
+        // Fields to be  averaged - runTime modifiable
         fields
         (
             U
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/fieldAverage/IOFieldAverage.H b/src/postProcessing/fieldAverage/fieldAverage/IOFieldAverage.H
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/fieldAverage/IOFieldAverage.H
rename to src/postProcessing/fieldAverage/fieldAverage/IOFieldAverage.H
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/fieldAverage/fieldAverage.C b/src/postProcessing/fieldAverage/fieldAverage/fieldAverage.C
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/fieldAverage/fieldAverage.C
rename to src/postProcessing/fieldAverage/fieldAverage/fieldAverage.C
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/fieldAverage/fieldAverage.H b/src/postProcessing/fieldAverage/fieldAverage/fieldAverage.H
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/fieldAverage/fieldAverage.H
rename to src/postProcessing/fieldAverage/fieldAverage/fieldAverage.H
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/fieldAverage/fieldAverageTemplates.C b/src/postProcessing/fieldAverage/fieldAverage/fieldAverageTemplates.C
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/fieldAverage/fieldAverageTemplates.C
rename to src/postProcessing/fieldAverage/fieldAverage/fieldAverageTemplates.C
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageFunctionObject/fieldAverageFunctionObject.C b/src/postProcessing/fieldAverage/fieldAverageFunctionObject/fieldAverageFunctionObject.C
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageFunctionObject/fieldAverageFunctionObject.C
rename to src/postProcessing/fieldAverage/fieldAverageFunctionObject/fieldAverageFunctionObject.C
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageFunctionObject/fieldAverageFunctionObject.H b/src/postProcessing/fieldAverage/fieldAverageFunctionObject/fieldAverageFunctionObject.H
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageFunctionObject/fieldAverageFunctionObject.H
rename to src/postProcessing/fieldAverage/fieldAverageFunctionObject/fieldAverageFunctionObject.H
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageItem/fieldAverageItem.C b/src/postProcessing/fieldAverage/fieldAverageItem/fieldAverageItem.C
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageItem/fieldAverageItem.C
rename to src/postProcessing/fieldAverage/fieldAverageItem/fieldAverageItem.C
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageItem/fieldAverageItem.H b/src/postProcessing/fieldAverage/fieldAverageItem/fieldAverageItem.H
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageItem/fieldAverageItem.H
rename to src/postProcessing/fieldAverage/fieldAverageItem/fieldAverageItem.H
diff --git a/applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageItem/fieldAverageItemIO.C b/src/postProcessing/fieldAverage/fieldAverageItem/fieldAverageItemIO.C
similarity index 100%
rename from applications/utilities/postProcessing/sampling/fieldAverage/fieldAverageItem/fieldAverageItemIO.C
rename to src/postProcessing/fieldAverage/fieldAverageItem/fieldAverageItemIO.C