diff --git a/src/machine/m_at_socket7_3v.c b/src/machine/m_at_socket7_3v.c
index 04505d0fd..7336c36d0 100644
--- a/src/machine/m_at_socket7_3v.c
+++ b/src/machine/m_at_socket7_3v.c
@@ -668,7 +668,7 @@ machine_at_endeavor_init(const machine_t *model)
 }
 
 /* The Monaco and Atlantis share the same GPIO config */
-#define machine_at_monaco_gpio_init machine_at_atlantis_gpio_init
+#define machine_at_atlantis_gpio_init machine_at_monaco_gpio_init
 
 int
 machine_at_atlantis_init(const machine_t *model)