diff --git a/pkg/server/sandbox_run.go b/pkg/server/sandbox_run.go
index dd4c51e36..942388369 100644
--- a/pkg/server/sandbox_run.go
+++ b/pkg/server/sandbox_run.go
@@ -414,9 +414,6 @@ func toCNIPortMappings(criPortMappings []*runtime.PortMapping) []cni.PortMapping
 		if mapping.HostPort <= 0 {
 			continue
 		}
-		if mapping.Protocol != runtime.Protocol_TCP && mapping.Protocol != runtime.Protocol_UDP {
-			continue
-		}
 		portMappings = append(portMappings, cni.PortMapping{
 			HostPort:      mapping.HostPort,
 			ContainerPort: mapping.ContainerPort,
diff --git a/pkg/server/sandbox_run_test.go b/pkg/server/sandbox_run_test.go
index 01ed39ddf..70f01ce03 100644
--- a/pkg/server/sandbox_run_test.go
+++ b/pkg/server/sandbox_run_test.go
@@ -175,6 +175,12 @@ func TestToCNIPortMappings(t *testing.T) {
 					HostPort:      8765,
 					HostIp:        "126.125.124.123",
 				},
+				{
+					Protocol:      runtime.Protocol_SCTP,
+					ContainerPort: 1234,
+					HostPort:      5678,
+					HostIp:        "123.124.125.126",
+				},
 			},
 			cniPortMappings: []cni.PortMapping{
 				{
@@ -189,6 +195,12 @@ func TestToCNIPortMappings(t *testing.T) {
 					Protocol:      "tcp",
 					HostIP:        "126.125.124.123",
 				},
+				{
+					HostPort:      5678,
+					ContainerPort: 1234,
+					Protocol:      "sctp",
+					HostIP:        "123.124.125.126",
+				},
 			},
 		},
 		"CRI port mapping without host port should be skipped": {
@@ -216,12 +228,6 @@ func TestToCNIPortMappings(t *testing.T) {
 		},
 		"CRI port mapping with unsupported protocol should be skipped": {
 			criPortMappings: []*runtime.PortMapping{
-				{
-					Protocol:      runtime.Protocol_SCTP,
-					ContainerPort: 1234,
-					HostPort:      5678,
-					HostIp:        "123.124.125.126",
-				},
 				{
 					Protocol:      runtime.Protocol_TCP,
 					ContainerPort: 4321,