diff --git a/accounts/abi/bind/bindv2.go b/accounts/abi/bind/bindv2.go
index e0693a0741..2b48166944 100644
--- a/accounts/abi/bind/bindv2.go
+++ b/accounts/abi/bind/bindv2.go
@@ -143,9 +143,10 @@ func normalizeArgs(inp abi.Arguments) abi.Arguments {
 		if input.Name == "" || isKeyWord(input.Name) {
 			normalizedArguments[i].Name = fmt.Sprintf("arg%d", i)
 		}
+		normalizedArguments[i].Name = capitalise(normalizedArguments[i].Name)
 		for index := 0; ; index++ {
-			if !used[capitalise(normalizedArguments[i].Name)] {
-				used[capitalise(normalizedArguments[i].Name)] = true
+			if !used[normalizedArguments[i].Name] {
+				used[normalizedArguments[i].Name] = true
 				break
 			}
 			normalizedArguments[i].Name = fmt.Sprintf("%s%d", normalizedArguments[i].Name, index)
diff --git a/accounts/abi/bind/bindv2_test.go b/accounts/abi/bind/bindv2_test.go
index b8867e0ff2..16740d6e60 100644
--- a/accounts/abi/bind/bindv2_test.go
+++ b/accounts/abi/bind/bindv2_test.go
@@ -360,8 +360,10 @@ func TestNormalizeArgs(t *testing.T) {
 		inp      []string
 		expected []string
 	}
-	for _, tc := range []normalizeArgsTc{
-		{[]string{"arg1", "Arg1"}, []string{"Arg1", "Arg1"}}} {
+	for i, tc := range []normalizeArgsTc{
+		{[]string{"arg1", "Arg1"}, []string{"Arg1", "Arg10"}},
+		{[]string{"", ""}, []string{"Arg0", "Arg1"}},
+		{[]string{"var", "const"}, []string{"Arg0", "Arg1"}}} {
 		var inpArgs abi.Arguments
 		for _, inpArgName := range tc.inp {
 			inpArgs = append(inpArgs, abi.Argument{
@@ -369,11 +371,9 @@ func TestNormalizeArgs(t *testing.T) {
 			})
 		}
 		res := normalizeArgs(inpArgs)
-		for i, resArg := range res {
-			if resArg.Name != tc.expected[i] {
-				fmt.Println(resArg.Name)
-				fmt.Println(tc.expected[i])
-				t.Fatalf("mismatch!!!")
+		for j, resArg := range res {
+			if resArg.Name != tc.expected[j] {
+				t.Fatalf("mismatch for test index %d, arg index %d: expected %v. got %v", i, j, resArg.Name, tc.expected[j])
 			}
 		}
 	}