diff --git a/src/script/cbottoken.cpp b/src/script/cbottoken.cpp
index 71ca67d1..685001ab 100644
--- a/src/script/cbottoken.cpp
+++ b/src/script/cbottoken.cpp
@@ -219,6 +219,7 @@ std::string GetHelpFilename(ObjectType type)
     if ( type == OBJECT_MOBILEit    )  helpfile = "object/bottr";
     if ( type == OBJECT_MOBILEtg    )  helpfile = "object/bottarg";
     if ( type == OBJECT_MOBILEdr    )  helpfile = "object/botdraw";
+    if ( type == OBJECT_MOBILEpr    )  helpfile = "object/bottr";
     if ( type == OBJECT_APOLLO2     )  helpfile = "object/lrv";
     if ( type == OBJECT_HUMAN       )  helpfile = "object/human";
     if ( type == OBJECT_MOTHER      )  helpfile = "object/mother";