diff --git a/src/lib/openjp2/opj_includes.h b/src/lib/openjp2/opj_includes.h
index 4397149a..82cc9c19 100644
--- a/src/lib/openjp2/opj_includes.h
+++ b/src/lib/openjp2/opj_includes.h
@@ -56,7 +56,7 @@
   ftello() only on systems with special LFS support since some systems
   (e.g. FreeBSD) support a 64-bit off_t by default.
 */
-#if defined(HAVE_FSEEKO)
+#if defined(OPJ_HAVE_FSEEKO)
 #  define fseek  fseeko
 #  define ftell  ftello
 #endif