diff --git a/direct/src/extensions/Datagram-extensions.py b/direct/src/extensions/Datagram-extensions.py
index b5b24336f2..a3324db712 100644
--- a/direct/src/extensions/Datagram-extensions.py
+++ b/direct/src/extensions/Datagram-extensions.py
@@ -25,7 +25,7 @@
         elif subatomicType == STBlob:
             self.addString(arg)
         elif subatomicType == STInt8array:
-            self.addUint8(len(arg))
+            self.addUint16(len(arg))
             for i in arg:
                 self.addInt8(int(i*divisor))
         elif subatomicType == STInt16array:
@@ -37,7 +37,7 @@
             for i in arg:
                 self.addInt32(int(i*divisor))
         elif subatomicType == STUint8array:
-            self.addUint8(len(arg))
+            self.addUint16(len(arg))
             for i in arg:
                 self.addUint8(int(i*divisor))
         elif subatomicType == STUint16array:
diff --git a/direct/src/extensions/DatagramIterator-extensions.py b/direct/src/extensions/DatagramIterator-extensions.py
index 4371ae6815..ac48391f94 100644
--- a/direct/src/extensions/DatagramIterator-extensions.py
+++ b/direct/src/extensions/DatagramIterator-extensions.py
@@ -27,7 +27,7 @@
             elif subatomicType == STBlob:
                 retVal = self.getString()
             elif subatomicType == STInt8array:
-                len = self.getUint8()
+                len = self.getUint16()
                 retVal = []
                 for i in range(len):
                     retVal.append(self.getInt8())
@@ -42,7 +42,7 @@
                 for i in range(len):
                     retVal.append(self.getInt32())
             elif subatomicType == STUint8array:
-                len = self.getUint8()
+                len = self.getUint16()
                 retVal = []
                 for i in range(len):
                     retVal.append(self.getUint8())