diff --git a/Lib/gftools/builder/fontc.py b/Lib/gftools/builder/fontc.py
index 5033248f..18d21b84 100644
--- a/Lib/gftools/builder/fontc.py
+++ b/Lib/gftools/builder/fontc.py
@@ -52,6 +52,8 @@ def modify_config(self, config: dict):
             config["buildWebfont"] = False
             config["buildSmallCap"] = False
             config["splitItalic"] = False
+            # disable running ttfautohint, because we had a segfault
+            config["autohintTTF"] = False
             # set --no-production-names, because it's easier to debug
             extra_args = config.get("extraFontmakeArgs") or ""
             extra_args += " --no-production-names --drop-implied-oncurves"