diff --git a/src/peakrdl_ipxact/__about__.py b/src/peakrdl_ipxact/__about__.py
index 903a158..a5cfdf5 100644
--- a/src/peakrdl_ipxact/__about__.py
+++ b/src/peakrdl_ipxact/__about__.py
@@ -1 +1 @@
-__version__ = "3.4.0"
+__version__ = "3.4.1"
diff --git a/src/peakrdl_ipxact/importer.py b/src/peakrdl_ipxact/importer.py
index 518246d..074e153 100644
--- a/src/peakrdl_ipxact/importer.py
+++ b/src/peakrdl_ipxact/importer.py
@@ -12,8 +12,11 @@
 
 
 # Expected IP-XACT namespaces. This parser is not strict about the exact version.
-IPXACT_NAMESPACE_PREFIX = "http://www.accellera.org/XMLSchema/IPXACT/"
-SPIRIT_NAMESPACE_PREFIX = "http://www.spiritconsortium.org/XMLSchema/SPIRIT/"
+VALID_NS_PREFIXES = {
+    "http://www.spiritconsortium.org/XMLSchema/SPIRIT/",
+    "http://www.accellera.org/XMLSchema/spirit/1685-2009",
+    "http://www.accellera.org/XMLSchema/IPXACT/",
+}
 
 class IPXACTImporter(RDLImporter):
 
@@ -70,12 +73,12 @@ def get_component(self, tree: ElementTree.ElementTree) -> ElementTree.Element:
         if get_local_name(root) == "component":
             component = root
             namespace = get_namespace(root)
-            if IPXACT_NAMESPACE_PREFIX in namespace:
-                self.ns = namespace
-            elif SPIRIT_NAMESPACE_PREFIX in namespace:
-                self.ns = namespace
+            for ns in VALID_NS_PREFIXES:
+                if ns in namespace:
+                    self.ns = namespace
+                    break
             else:
-                self.msg.fatal("Could not find a known ip-xact namespace")
+                self.msg.fatal("Unrecognized namespace URI: %s" % namespace, self.src_ref)
         else:
             self.msg.fatal(
                 "Could not find a 'component' element",