diff --git a/pySim/filesystem.py b/pySim/filesystem.py
index a323c5b..b8b6152 100644
--- a/pySim/filesystem.py
+++ b/pySim/filesystem.py
@@ -363,7 +363,7 @@
                 {x.name: x for x in self.applications.values() if x.name})
         return sels
 
-    def decode_select_response(self, data_hex: str) -> object:
+    def decode_select_response(self, data_hex: Optional[str]) -> object:
         """Decode the response to a SELECT command.
 
         This is the fall-back method which automatically defers to the standard decoding
@@ -372,6 +372,9 @@
         install specific decoding.
         """
 
+        if not data_hex:
+            return data_hex
+
         profile = self.get_profile()
 
         if profile: