diff --git a/src/randomProcesses/noise/noiseModels/noiseModel/noiseModel.C b/src/randomProcesses/noise/noiseModels/noiseModel/noiseModel.C
index 008d161cbd95fe11ec0a1fdda236e5e0a6e48ed5..a48b57835bda73feac11bcacb257e43c874bf146 100644
--- a/src/randomProcesses/noise/noiseModels/noiseModel/noiseModel.C
+++ b/src/randomProcesses/noise/noiseModels/noiseModel/noiseModel.C
@@ -236,6 +236,7 @@ bool Foam::noiseModel::read(const dictionary& dict)
     readWriteOption(optDict, "writePrmsf", writePrmsf_);
     readWriteOption(optDict, "writeSPL", writeSPL_);
     readWriteOption(optDict, "writePSD", writePSD_);
+    readWriteOption(optDict, "writePSDf", writePSDf_);
     readWriteOption(optDict, "writeOctaves", writeOctaves_);