diff --git a/cmd/ulxly/ulxly.go b/cmd/ulxly/ulxly.go
index e636fd16..53451250 100644
--- a/cmd/ulxly/ulxly.go
+++ b/cmd/ulxly/ulxly.go
@@ -85,6 +85,7 @@ type IMT struct {
 	ZeroHashes []common.Hash
 	Proofs     map[uint32]Proof
 }
+
 type Proof struct {
 	Siblings     [TreeDepth]common.Hash
 	Root         common.Hash
diff --git a/contracts/Makefile b/contracts/Makefile
index ba171add..b551322b 100644
--- a/contracts/Makefile
+++ b/contracts/Makefile
@@ -58,4 +58,4 @@ gen-ulxly-go-bindings:
 
 
 .PHONY: gen-go-bindings
-gen-go-bindings: build gen-funder-go-bindings gen-tester-go-bindings gen-tokens-go-bindings ## Generate go bindings.
+gen-go-bindings: build gen-funder-go-bindings gen-tester-go-bindings gen-tokens-go-bindings gen-ulxly-go-bindings ## Generate go bindings.