diff --git a/jaraco/develop/compiler.py b/jaraco/develop/compiler.py
index 39ff433..52bead7 100644
--- a/jaraco/develop/compiler.py
+++ b/jaraco/develop/compiler.py
@@ -31,7 +31,7 @@ def get_include_dirs():
 
 
 class FalseString(str):
-    def __nonzero__(self):
+    def __bool__(self):
         return False