diff --git a/pefile.py b/pefile.py
index f804678..57de8d0 100644
--- a/pefile.py
+++ b/pefile.py
@@ -5959,7 +5959,7 @@ def parse_import_directory(self, rva, size, dllnames_only=False):
                         if not symbol or not symbol.name:
                             continue
                         name = symbol.name
-                        if type(symbol.name) == bytes:
+                        if isinstance(symbol.name, bytes):
                             name = symbol.name.decode("utf-8")
                         if name.startswith(suspicious_symbol):
                             suspicious_imports_count += 1