diff --git a/src/psnames/psnames.c b/src/psnames/psnames.c
index f4440dee1..aa332c8f9 100644
--- a/src/psnames/psnames.c
+++ b/src/psnames/psnames.c
@@ -1 +1,2 @@
+#define FT_MAKE_OPTION_SINGLE_OBJECT
 #include <psdriver.c>
diff --git a/src/sfnt/sfnt.c b/src/sfnt/sfnt.c
index d8eb06b72..cdf2c0227 100644
--- a/src/sfnt/sfnt.c
+++ b/src/sfnt/sfnt.c
@@ -1,3 +1,5 @@
+#define FT_MAKE_OPTION_SINGLE_OBJECT
+
 #include <sfconfig.h>
 #include <ttload.c>
 #include <ttcmap.c>
diff --git a/src/type1/type1.c b/src/type1/type1.c
index e0f922466..371efe056 100644
--- a/src/type1/type1.c
+++ b/src/type1/type1.c
@@ -28,6 +28,8 @@
 /***************************************************************************/
 
 
+#define FT_MAKE_OPTION_SINGLE_OBJECT
+
 #include <t1driver.c>
 #include <t1objs.c>
 #include <t1load.c>     /* table loader      */
diff --git a/src/type1z/type1z.c b/src/type1z/type1z.c
index 422f200b6..e85b7870a 100644
--- a/src/type1z/type1z.c
+++ b/src/type1z/type1z.c
@@ -27,7 +27,7 @@
 /*                                                                         */
 /***************************************************************************/
 
-
+#define FT_MAKE_OPTION_SINGLE_OBJECT
 
 #include <t1parse.c>
 #include <t1load.c>