diff --git a/src/smooth/ftgrays.c b/src/smooth/ftgrays.c
index e5f36a0..00746c1 100644
--- a/src/smooth/ftgrays.c
+++ b/src/smooth/ftgrays.c
@@ -1018,6 +1018,16 @@
 #  define BEZIER_USE_DDA  0
 #endif
 
+/* For now, the code that depends on BEZIER_USE_DDA requires
+ * FT_Int64 to be defined. If FT_LONG64 is not defined, meaning
+ * there is no 64-bit type available, disable it to avoid
+ * compilation errors. See for example
+ * https://gitlab.freedesktop.org/freetype/freetype/-/issues/1071
+ */
+#if !defined(FT_LONG64)
+#  undef BEZIER_USE_DDA
+#  define BEZIER_USE_DDA  0
+#endif
 
 #if BEZIER_USE_DDA