diff --git a/src/middlewared/middlewared/api/v25_04_0/rdma.py b/src/middlewared/middlewared/api/v25_04_0/rdma.py
index a16ab034518e2..ab62f3d2f672c 100644
--- a/src/middlewared/middlewared/api/v25_04_0/rdma.py
+++ b/src/middlewared/middlewared/api/v25_04_0/rdma.py
@@ -42,4 +42,4 @@ class RdmaCapableProtocolsArgs(BaseModel):
 
 
 class RdmaCapableProtocolsResult(BaseModel):
-    result: list[Literal["NFS"]]
+    result: list[Literal["ISER", "NFS"]]
diff --git a/src/middlewared/middlewared/plugins/rdma/constants.py b/src/middlewared/middlewared/plugins/rdma/constants.py
index d71095bdca973..a424a06a05859 100644
--- a/src/middlewared/middlewared/plugins/rdma/constants.py
+++ b/src/middlewared/middlewared/plugins/rdma/constants.py
@@ -3,7 +3,7 @@
 
 class RDMAprotocols(enum.Enum):
     NFS = 'NFS'
-    ISER = 'iSER'
+    ISER = 'ISER'
 
     def values():
         return [a.value for a in RDMAprotocols]
diff --git a/src/middlewared/middlewared/plugins/rdma/rdma.py b/src/middlewared/middlewared/plugins/rdma/rdma.py
index 1360fd047b767..a7eb6723cb1e0 100644
--- a/src/middlewared/middlewared/plugins/rdma/rdma.py
+++ b/src/middlewared/middlewared/plugins/rdma/rdma.py
@@ -132,5 +132,5 @@ async def capable_protocols(self):
         is_ent = await self.middleware.call('system.is_enterprise')
         if is_ent and 'MINI' not in await self.middleware.call('truenas.get_chassis_hardware'):
             if await self.middleware.call('rdma.get_link_choices', True):
-                result.append(RDMAprotocols.NFS.value)
+                result.extend([RDMAprotocols.NFS.value, RDMAprotocols.ISER.value])
         return result