diff --git a/provenience.cabal b/provenience.cabal
--- a/provenience.cabal
+++ b/provenience.cabal
@@ -1,5 +1,5 @@
 name:                provenience
-version:             0.1.2.1
+version:             0.1.2.2
 synopsis:            Computations that automatically track data dependencies
 description:         see README.md
 license:             GPL-3
diff --git a/src/Control/Provenience.hs b/src/Control/Provenience.hs
--- a/src/Control/Provenience.hs
+++ b/src/Control/Provenience.hs
@@ -249,7 +249,7 @@
 divVars :: (Node,Node) -> [Block] -> Block
 divVars (n0,n1) = Div (pack $ "variables"++(showHex n0 ("To"++(showHex n1 ""))),["provenienceVariables"],[])
 #else
-divVar :: [Block] -> Block
+divVar :: Node -> [Block] -> Block
 divVar i = Div (linknode i,["variable"],[])
 divVars :: (Node,Node) -> [Block] -> Block
 divVars (n0,n1) = Div ("variables"++(showHex n0 ("To"++(showHex n1 ""))),["provenienceVariables"],[])