diff --git a/src/GF/Speech/GrammarToVoiceXML.hs b/src/GF/Speech/GrammarToVoiceXML.hs
index b48af5a57..2924f0513 100644
--- a/src/GF/Speech/GrammarToVoiceXML.hs
+++ b/src/GF/Speech/GrammarToVoiceXML.hs
@@ -161,7 +161,7 @@ fun2sub gr cat fun args =
               [param "old" v,
                filled [] [assign v (s++".term")]]
     where s = prid fun ++ "_" ++ show n
-          v = "term.children["++show n++"]"
+          v = "term.args["++show n++"]"
 
 catFormId :: VIdent -> String
 catFormId c = prid c ++ "_cat"
diff --git a/src/GF/Speech/SISR.hs b/src/GF/Speech/SISR.hs
index 9e926c72f..2999a74a2 100644
--- a/src/GF/Speech/SISR.hs
+++ b/src/GF/Speech/SISR.hs
@@ -43,20 +43,20 @@ topCatSISR c fmt = map JS.DExpr [fmtOut fmt `ass` fmtRef fmt c]
 
 profileInitSISR :: CFTerm -> SISRFormat -> SISRTag
 profileInitSISR t fmt 
-    | null (usedChildren t) = []
-    | otherwise = [JS.Decl [JS.DInit children (JS.EArray [])]]
+    | null (usedArgs t) = []
+    | otherwise = [JS.Decl [JS.DInit args (JS.EArray [])]]
 
-usedChildren :: CFTerm -> [Int]
-usedChildren (CFObj _ ts) = foldr union [] (map usedChildren ts)
-usedChildren (CFAbs _ x) = usedChildren x
-usedChildren (CFApp x y) = usedChildren x `union` usedChildren y
-usedChildren (CFRes i) = [i]
-usedChildren _ = []
+usedArgs :: CFTerm -> [Int]
+usedArgs (CFObj _ ts) = foldr union [] (map usedArgs ts)
+usedArgs (CFAbs _ x) = usedArgs x
+usedArgs (CFApp x y) = usedArgs x `union` usedArgs y
+usedArgs (CFRes i) = [i]
+usedArgs _ = []
 
 catSISR :: CFTerm -> SRGNT -> SISRFormat -> SISRTag
 catSISR t (c,i) fmt
-        | i `elem` usedChildren t = map JS.DExpr 
-            [JS.EIndex (JS.EVar children) (JS.EInt (fromIntegral i)) `ass` fmtRef fmt c]
+        | i `elem` usedArgs t = map JS.DExpr 
+            [JS.EIndex (JS.EVar args) (JS.EInt (fromIntegral i)) `ass` fmtRef fmt c]
         | otherwise = []
 
 profileFinalSISR :: CFTerm -> SISRFormat -> SISRTag
@@ -65,7 +65,7 @@ profileFinalSISR term fmt = [JS.DExpr $ fmtOut fmt `ass` f term]
         f (CFObj n ts) = tree (prIdent n) (map f ts)
         f (CFAbs v x) = JS.EFun [var v] [JS.SReturn (f x)]
         f (CFApp x y) = JS.ECall (f x) [f y]
-        f (CFRes i) = JS.EIndex (JS.EVar children) (JS.EInt (fromIntegral i))
+        f (CFRes i) = JS.EIndex (JS.EVar args) (JS.EInt (fromIntegral i))
         f (CFVar v) = JS.EVar (var v)
         f (CFConst s) = JS.EStr s
         f (CFMeta typ) = obj [("name",JS.EStr "?"), ("type",JS.EStr typ)]
@@ -74,7 +74,7 @@ fmtOut SISROld = JS.EVar (JS.Ident "$")
 
 fmtRef SISROld c = JS.EVar (JS.Ident ("$" ++ c))
 
-children = JS.Ident "c"
+args = JS.Ident "a"
 
 var v = JS.Ident ("x" ++ show v)
 
@@ -82,7 +82,7 @@ field x y = JS.EMember x (JS.Ident y)
 
 ass = JS.EAssign
 
-tree n xs = obj [("name", JS.EStr n), ("children", JS.EArray xs)]
+tree n xs = obj [("name", JS.EStr n), ("args", JS.EArray xs)]
 
 obj ps = JS.EObj [JS.Prop (JS.Ident x) y | (x,y) <- ps]