diff --git a/setup.py b/setup.py
index e3b254a..a22f66f 100644
--- a/setup.py
+++ b/setup.py
@@ -147,7 +147,7 @@ def _get_freetype_with_pkgconfig():
     libraries.extend(["kernel32", "user32", "gdi32"])
 
 # agg C++ is not compatible with gcc 14
-extra_compile_args = ["-fpermissive"]
+extra_compile_args = ["-fpermissive", "-Wno-pointer-sign"]
 
 setup(
     name="aggdraw",