diff --git a/src/DIRAC/Resources/Computing/SSHComputingElement.py b/src/DIRAC/Resources/Computing/SSHComputingElement.py
index 980c4b0c244..77e8d66686f 100644
--- a/src/DIRAC/Resources/Computing/SSHComputingElement.py
+++ b/src/DIRAC/Resources/Computing/SSHComputingElement.py
@@ -597,6 +597,8 @@ def _submitJobToHost(self, executableFile, numberOfJobs, host=None):
             return resultCommand
 
         result = resultCommand["Value"]
+        if not isinstance(result, dict) or "Status" not in result:
+            return S_ERROR("Invalid result from job submission")
         if result["Status"] != 0:
             return S_ERROR(f"Failed job submission: {result['Message']}")
         else:
@@ -639,6 +641,8 @@ def _killJobOnHost(self, jobIDList, host=None):
             return resultCommand
 
         result = resultCommand["Value"]
+        if not isinstance(result, dict) or "Status" not in result:
+            return S_ERROR("Invalid result from job submission")
         if result["Status"] != 0:
             return S_ERROR(f"Failed job kill: {result['Message']}")
 
@@ -674,6 +678,8 @@ def _getHostStatus(self, host=None):
             return resultCommand
 
         result = resultCommand["Value"]
+        if not isinstance(result, dict) or "Status" not in result:
+            return S_ERROR("Invalid result from job submission")
         if result["Status"] != 0:
             return S_ERROR(f"Failed to get CE status: {result['Message']}")
 
@@ -697,6 +703,8 @@ def _getJobStatusOnHost(self, jobIDList, host=None):
                 return resultCommand
 
             result = resultCommand["Value"]
+            if not isinstance(result, dict) or "Status" not in result:
+                return S_ERROR("Invalid result from job submission")
             if result["Status"] != 0:
                 return S_ERROR(f"Failed to get job status: {result['Message']}")
 
@@ -779,6 +787,8 @@ def _getJobOutputFiles(self, jobID):
                 return resultCommand
 
             result = resultCommand["Value"]
+            if not isinstance(result, dict) or "Status" not in result:
+                return S_ERROR("Invalid result from job submission")
             if result["Status"] != 0:
                 return S_ERROR(f"Failed to get job output files: {result['Message']}")