diff --git a/cap_test.go b/cap_test.go
index 95fcada..6d3e814 100644
--- a/cap_test.go
+++ b/cap_test.go
@@ -104,7 +104,7 @@ func TestTagGetSetCount(t *testing.T) {
 	}
 
 	// Add a hidden ascii value at the end to make it invalid.
-	if err := e.Tags.Set("key", "invalid-value"+string(0x08)); err == nil {
+	if err := e.Tags.Set("key", "invalid-value"+string(rune(0x08))); err == nil {
 		t.Fatal("tag set of invalid value should have returned error")
 	}
 }
diff --git a/commands.go b/commands.go
index eebce21..8d98437 100644
--- a/commands.go
+++ b/commands.go
@@ -356,7 +356,7 @@ func (cmd *Commands) List(channels ...string) {
 // Whowas sends a WHOWAS query to the server. amount is the amount of results
 // you want back.
 func (cmd *Commands) Whowas(user string, amount int) {
-	cmd.c.Send(&Event{Command: WHOWAS, Params: []string{user, string(amount)}})
+	cmd.c.Send(&Event{Command: WHOWAS, Params: []string{user, fmt.Sprint(amount)}})
 }
 
 // Monitor sends a MONITOR query to the server. The results of the query