diff --git a/cmd/provider/main.go b/cmd/provider/main.go
index fa43affb..449b4ad5 100644
--- a/cmd/provider/main.go
+++ b/cmd/provider/main.go
@@ -39,7 +39,7 @@ func main() {
 		app            = kingpin.New(filepath.Base(os.Args[0]), "SQL support for Crossplane.").DefaultEnvars()
 		debug          = app.Flag("debug", "Run with debug logging.").Short('d').Bool()
 		syncPeriod     = app.Flag("sync", "Controller manager sync period such as 300ms, 1.5h, or 2h45m").Short('s').Default("1h").Duration()
-		leaderElection = app.Flag("leader-election", "Use leader election for the conroller manager.").Short('l').Default("false").OverrideDefaultFromEnvar("LEADER_ELECTION").Bool()
+		leaderElection = app.Flag("leader-election", "Use leader election for the controller manager.").Short('l').Default("false").OverrideDefaultFromEnvar("LEADER_ELECTION").Bool()
 	)
 	kingpin.MustParse(app.Parse(os.Args[1:]))
 
diff --git a/pkg/clients/mysql/mysql.go b/pkg/clients/mysql/mysql.go
index 1d27af82..bedc4fe5 100644
--- a/pkg/clients/mysql/mysql.go
+++ b/pkg/clients/mysql/mysql.go
@@ -14,7 +14,8 @@ import (
 )
 
 const (
-	errNotSupported = "%s not supported by mysql client"
+	errNotSupported  = "%s not supported by mysql client"
+	defaultMySQLPort = "3306"
 )
 
 type mySQLDB struct {
@@ -28,6 +29,9 @@ func New(creds map[string][]byte) xsql.DB {
 	// TODO(negz): Support alternative connection secret formats?
 	endpoint := string(creds[xpv1.ResourceCredentialsSecretEndpointKey])
 	port := string(creds[xpv1.ResourceCredentialsSecretPortKey])
+	if port == "" {
+		port = defaultMySQLPort
+	}
 	return mySQLDB{
 		dsn: fmt.Sprintf("%s:%s@tcp(%s:%s)/",
 			creds[xpv1.ResourceCredentialsSecretUserKey],