diff --git a/pkg/deployment/agent.go b/pkg/deployment/agent.go
index 629e39c056..c6b90da394 100644
--- a/pkg/deployment/agent.go
+++ b/pkg/deployment/agent.go
@@ -58,7 +58,7 @@ func (a *Agent) Get() *appsv1.DaemonSet {
 	configRest := util.GetPort("--http-server.host-port=", args, 5778)
 	jgCompactTrft := util.GetPort("--processor.jaeger-compact.server-host-port=", args, 6831)
 	jgBinaryTrft := util.GetPort("--processor.jaeger-binary.server-host-port=", args, 6832)
-	adminPort := util.GetPort("--admin-http-port=", args, 14271)
+	adminPort := util.GetAdminPort(args, 14271)
 
 	trueVar := true
 	falseVar := false
diff --git a/pkg/deployment/all_in_one.go b/pkg/deployment/all_in_one.go
index 561e421277..290062475e 100644
--- a/pkg/deployment/all_in_one.go
+++ b/pkg/deployment/all_in_one.go
@@ -42,7 +42,7 @@ func (a *AllInOne) Get() *appsv1.Deployment {
 
 	args := append(a.jaeger.Spec.AllInOne.Options.ToArgs())
 
-	adminPort := util.GetPort("--admin-http-port=", args, 14269)
+	adminPort := util.GetAdminPort(args, 14269)
 
 	baseCommonSpec := v1.JaegerCommonSpec{
 		Annotations: map[string]string{
diff --git a/pkg/deployment/collector.go b/pkg/deployment/collector.go
index 918a5c9fb9..44121f6b44 100644
--- a/pkg/deployment/collector.go
+++ b/pkg/deployment/collector.go
@@ -43,7 +43,7 @@ func (c *Collector) Get() *appsv1.Deployment {
 
 	args := append(c.jaeger.Spec.Collector.Options.ToArgs())
 
-	adminPort := util.GetPort("--admin-http-port=", args, 14269)
+	adminPort := util.GetAdminPort(args, 14269)
 
 	baseCommonSpec := v1.JaegerCommonSpec{
 		Annotations: map[string]string{
diff --git a/pkg/deployment/ingester.go b/pkg/deployment/ingester.go
index c11eea7cf6..0b7890b1af 100644
--- a/pkg/deployment/ingester.go
+++ b/pkg/deployment/ingester.go
@@ -49,7 +49,7 @@ func (i *Ingester) Get() *appsv1.Deployment {
 
 	args := append(i.jaeger.Spec.Ingester.Options.ToArgs())
 
-	adminPort := util.GetPort("--admin-http-port=", args, 14270)
+	adminPort := util.GetAdminPort(args, 14270)
 
 	baseCommonSpec := v1.JaegerCommonSpec{
 		Annotations: map[string]string{
diff --git a/pkg/deployment/query.go b/pkg/deployment/query.go
index a94b4bf4b0..16d117a69c 100644
--- a/pkg/deployment/query.go
+++ b/pkg/deployment/query.go
@@ -38,7 +38,7 @@ func (q *Query) Get() *appsv1.Deployment {
 
 	args := append(q.jaeger.Spec.Query.Options.ToArgs())
 
-	adminPort := util.GetPort("--admin-http-port=", args, 16687)
+	adminPort := util.GetAdminPort(args, 16687)
 
 	baseCommonSpec := v1.JaegerCommonSpec{
 		Annotations: map[string]string{
diff --git a/pkg/inject/sidecar.go b/pkg/inject/sidecar.go
index faee9e54af..f356073f8e 100644
--- a/pkg/inject/sidecar.go
+++ b/pkg/inject/sidecar.go
@@ -184,7 +184,7 @@ func container(jaeger *v1.Jaeger, dep *appsv1.Deployment) corev1.Container {
 	configRest := util.GetPort("--http-server.host-port=", args, 5778)
 	jgCompactTrft := util.GetPort("--processor.jaeger-compact.server-host-port=", args, 6831)
 	jgBinaryTrft := util.GetPort("--processor.jaeger-binary.server-host-port=", args, 6832)
-	adminPort := util.GetPort("--admin-http-port=", args, 14271)
+	adminPort := util.GetAdminPort(args, 14271)
 
 	if len(util.FindItem("--jaeger.tags=", args)) == 0 {
 		agentTags := fmt.Sprintf("%s=%s,%s=%s,%s=%s,%s=%s,%s=%s",
diff --git a/pkg/util/util.go b/pkg/util/util.go
index a9b0a55c3e..d1b5bd4cf9 100644
--- a/pkg/util/util.go
+++ b/pkg/util/util.go
@@ -225,6 +225,19 @@ func GetPort(arg string, args []string, port int32) int32 {
 	return port
 }
 
+// GetAdminPort returns a port, either from supplied default port, or extracted from supplied arg value.
+// If new admin port flag exists, it will extracted from the new flag, otherwise will try to extract
+// from deprecated flag.
+func GetAdminPort(args []string, port int32) int32 {
+	if portArg := FindItem("--admin.http.host-port=", args); len(portArg) > 0 {
+		port = GetPort("--admin.http.host-port=", args, port)
+	} else {
+		port = GetPort("--admin-http-port=", args, port)
+	}
+
+	return port
+}
+
 // InitObjectMeta will set the required default settings to
 // kubernetes objects metadata if is required.
 func InitObjectMeta(obj metav1.Object) {
diff --git a/pkg/util/util_test.go b/pkg/util/util_test.go
index 5af76ba80d..0e0cf8e936 100644
--- a/pkg/util/util_test.go
+++ b/pkg/util/util_test.go
@@ -353,6 +353,35 @@ func TestGetPortSpecified(t *testing.T) {
 	assert.Equal(t, int32(6831), GetPort("--processor.jaeger-compact.server-host-port=", args, 1234))
 }
 
+func TestGetAdminPortDefault(t *testing.T) {
+	opts := v1.NewOptions(map[string]interface{}{})
+
+	args := opts.ToArgs()
+
+	assert.Equal(t, int32(1234), GetAdminPort(args, 1234))
+}
+
+func TestGetAdminPortDeprecatedFlagSpecified(t *testing.T) {
+	opts := v1.NewOptions(map[string]interface{}{
+		"admin-http-port": ":1111",
+	})
+
+	args := opts.ToArgs()
+
+	assert.Equal(t, int32(1111), GetAdminPort(args, 1234))
+}
+
+func TestGetAdminPortNewFlagSpecified(t *testing.T) {
+	opts := v1.NewOptions(map[string]interface{}{
+		"admin-http-port":      ":1111",
+		"admin.http.host-port": ":2222",
+	})
+
+	args := opts.ToArgs()
+
+	assert.Equal(t, int32(2222), GetAdminPort(args, 1234))
+}
+
 func TestInitObjectMeta(t *testing.T) {
 	tests := map[string]struct {
 		obj metav1.Object