diff --git a/applications/utilities/miscellaneous/foamDictionary/foamDictionary.C b/applications/utilities/miscellaneous/foamDictionary/foamDictionary.C
index 881be1d84..6af0c78d9 100644
--- a/applications/utilities/miscellaneous/foamDictionary/foamDictionary.C
+++ b/applications/utilities/miscellaneous/foamDictionary/foamDictionary.C
@@ -240,6 +240,7 @@ int main(int argc, char *argv[])
 {
     writeInfoHeader = false;
 
+    argList::removeOption("case");
     argList::addNote("manipulates dictionaries");
     argList::validArgs.append("dictionary file");
     argList::addBoolOption("keywords", "list keywords");