diff --git a/direct/src/extensions/Datagram-extensions.py b/direct/src/extensions/Datagram-extensions.py
index f2156585f3..bed5702568 100644
--- a/direct/src/extensions/Datagram-extensions.py
+++ b/direct/src/extensions/Datagram-extensions.py
@@ -54,5 +54,5 @@
                 self.addUint32(int(i[0]*divisor))
                 self.addUint8(int(i[1]*divisor))
         else:
-            raise Exception("Error: No such type as: " + subatomicType)
+            raise Exception("Error: No such type as: " + str(subatomicType))
         return None
diff --git a/direct/src/extensions/DatagramIterator-extensions.py b/direct/src/extensions/DatagramIterator-extensions.py
index 983428601b..a48df591b7 100644
--- a/direct/src/extensions/DatagramIterator-extensions.py
+++ b/direct/src/extensions/DatagramIterator-extensions.py
@@ -127,7 +127,7 @@
                     b = self.getUint8()
                     retVal.append((a / float(divisor), b / float(divisor)))
             else:
-                raise Exception("Error: No such type as: " + str(subAtomicType))
+                raise Exception("Error: No such type as: " + str(subatomicType))