diff --git a/src/compiler/GF/Grammar/Analyse.hs b/src/compiler/GF/Grammar/Analyse.hs
index c26e68b98..b7809309b 100644
--- a/src/compiler/GF/Grammar/Analyse.hs
+++ b/src/compiler/GF/Grammar/Analyse.hs
@@ -36,27 +36,20 @@ stripInfo i = case i of
   CncFun mict mte mtf -> CncFun mict Nothing Nothing
   AnyInd b f -> i
 
-constantsInTerm :: Term -> [Term]
+constantsInTerm :: Term -> [QIdent]
 constantsInTerm = nub . consts where
   consts t = case t of
-    Q _  -> [t]
-    QC _ -> [t]
+    Q c  -> [c]
+    QC c -> [c]
     _ -> collectOp consts t
 
-constantDeps :: SourceGrammar -> QIdent -> Err [Term]
-constantDeps sgr f = do
-  ts <- deps f
-  let cs = [i | t <- ts, Ok i <- [getIdTerm t]]
-  ds <- mapM deps cs
-  return $ nub $ concat $ ts:ds
- where
-  deps c = case lookupOverload sgr c of
-    Ok tts -> 
-      return $ concat [constantsInTerm ty ++ constantsInTerm tr | (_,(ty,tr)) <- tts]
-    _ -> do  
-      ty <- lookupResType sgr c
-      tr <- lookupResDef sgr c
-      return $ constantsInTerm ty ++ constantsInTerm tr
+constantDeps :: SourceGrammar -> QIdent -> Err [QIdent]
+constantDeps sgr f = return $ nub $ iterFix more start where
+  start = constants f
+  more  = concatMap constants
+  constants c = (c :) $ errVal [] $ do
+    ts  <- termsOfConstant sgr c
+    return $ concatMap constantsInTerm ts
 
 getIdTerm :: Term -> Err QIdent
 getIdTerm t = case t of
@@ -68,14 +61,20 @@ getIdTerm t = case t of
 constantDepsTerm :: SourceGrammar -> Term -> Err [Term]
 constantDepsTerm sgr t = do
   i <- getIdTerm t
-  constantDeps sgr i
+  cs <- constantDeps sgr i
+  return $ map Q cs  --- losing distinction Q/QC
+
+termsOfConstant :: SourceGrammar -> QIdent -> Err [Term]
+termsOfConstant sgr c = case lookupOverload sgr c of
+  Ok tts -> return $ concat [[ty,tr] | (_,(ty,tr)) <- tts]
+  _ -> return $
+         [ty | Ok ty <- [lookupResType sgr c]] ++  -- type sig may be missing
+         [ty | Ok ty <- [lookupResDef sgr c]]
 
 sizeConstant :: SourceGrammar -> Term -> Int
 sizeConstant sgr t = err (const 0) id $ do
   c  <- getIdTerm t
-  ty <- return $ err (const 0) sizeTerm $ lookupResType sgr c  -- if no type sig, return 0
-  tr <- return $ err (const 0) sizeTerm $ lookupResDef sgr c
-  return $ ty + tr
+  fmap (sum . map sizeTerm) $ termsOfConstant sgr c
 
 -- the number of constructors in a term, ignoring position information and unnecessary types
 -- ground terms count as 1, i.e. as "one work" each
diff --git a/src/compiler/GFI.hs b/src/compiler/GFI.hs
index 7bb4df878..77f534d46 100644
--- a/src/compiler/GFI.hs
+++ b/src/compiler/GFI.hs
@@ -191,7 +191,7 @@ execute1 opts gfenv0 s0 =
           ops <- case ts of
              _:_ -> do
                let Right t = runP pExp (encodeUnicode utf8 (unwords ts))
-               err error return $ constantDepsTerm sgr t
+               err error (return . (t:)) $ constantDepsTerm sgr t
              _   -> error "give a term as argument"
           let prTerm = showTerm sgr TermPrintDefault Qualified
           let size = sizeConstant sgr