diff --git a/src/driver/amgc_driver_ctx.c b/src/driver/amgc_driver_ctx.c
index fe39dcc..4489109 100644
--- a/src/driver/amgc_driver_ctx.c
+++ b/src/driver/amgc_driver_ctx.c
@@ -25,8 +25,6 @@
 #include "apimagic_driver_impl.h"
 #include "argv/argv.h"
 
-extern const struct argv_option amgc_default_options[];
-
 struct amgc_driver_ctx_alloc {
 	struct argv_meta *		meta;
 	struct amgc_action *		actions;
diff --git a/src/internal/apimagic_driver_impl.h b/src/internal/apimagic_driver_impl.h
index b5d4ae4..2920682 100644
--- a/src/internal/apimagic_driver_impl.h
+++ b/src/internal/apimagic_driver_impl.h
@@ -6,11 +6,14 @@
 #include <sys/types.h>
 
 #include <apimagic/apimagic.h>
+#include "argv/argv.h"
 
 #ifndef AMGC_TAB_WIDTH
 #define AMGC_TAB_WIDTH	8
 #endif
 
+extern const struct argv_option amgc_default_options[];
+
 enum app_tags {
 	TAG_HELP,
 	TAG_VERSION,