diff --git a/python/cmath.py b/python/cmath.py
index a246c5eb..861effac 100644
--- a/python/cmath.py
+++ b/python/cmath.py
@@ -68,6 +68,8 @@ class complex:
     def __truediv__(self, other):
         if type(other) is complex:
             denominator = other.real ** 2 + other.imag ** 2
+            if denominator == 0:
+                raise ZeroDivisionError("Division by zero in complex number division")
             real_part = (self.real * other.real + self.imag * other.imag) / denominator
             imag_part = (self.imag * other.real - self.real * other.imag) / denominator
             return complex(real_part, imag_part)