diff --git a/smda/intel/definitions.py b/smda/intel/definitions.py
index 9918eae..658a799 100644
--- a/smda/intel/definitions.py
+++ b/smda/intel/definitions.py
@@ -52,6 +52,7 @@
     b"\x89\xff\x55\x8b\xec",
     b"\x55\x8b\xec",
     b"\x55\x89\xe5",
+    b"\x55\x48\x89\xe5",
 ]
 
 # these cover 99% of confirmed function starts in the reference data set
diff --git a/tests/testFileFormatParsers.py b/tests/testFileFormatParsers.py
index 382c4b5..15e8b28 100644
--- a/tests/testFileFormatParsers.py
+++ b/tests/testFileFormatParsers.py
@@ -124,7 +124,7 @@ def testMacOsParsingWithKomplex(self):
         binary_info.oep = binary_info.getOep()
         disasm._disassemble(binary_info)
         komplex_unmapped_disassembly = disasm.disassembleUnmappedBuffer(komplex_binary)
-        self.assertEqual(komplex_unmapped_disassembly.num_functions, 208)
+        self.assertEqual(komplex_unmapped_disassembly.num_functions, 211)
 
 
 if __name__ == "__main__":