diff --git a/src/frida/tracer.py b/src/frida/tracer.py
index b4b6eb7..6c59a13 100644
--- a/src/frida/tracer.py
+++ b/src/frida/tracer.py
@@ -507,6 +507,8 @@ def to_filename(name):
 
 def to_handler_filename(name):
     full_filename = to_filename(name)
+    if len(full_filename) <= 41:
+        return full_filename + ".js"
     crc = binascii.crc32(full_filename.encode())
     return full_filename[0:32] + "_%08x.js" % crc