diff --git a/node.go b/node.go
index f97a902..d4d23e3 100644
--- a/node.go
+++ b/node.go
@@ -245,7 +245,7 @@ func convert(n_ node.Node) (string, error) {
 			return "", parseErr{n, err}
 		}
 
-		if len(n.Init) != 1 {
+		if len(n.Cond) != 1 {
 			return "", parseErr{n, fmt.Errorf("for loop can only have 1 cond clause, found %d", len(n.Cond))}
 		}
 		fcond, err := convert(n.Cond[0])
@@ -253,7 +253,7 @@ func convert(n_ node.Node) (string, error) {
 			return "", parseErr{n, err}
 		}
 
-		if len(n.Init) != 1 {
+		if len(n.Loop) != 1 {
 			return "", parseErr{n, fmt.Errorf("for loop can only have 1 loop clause, found %d", len(n.Loop))}
 		}
 		loopStmt := n.Loop[0]