diff --git a/firmware/asdf/src/Keymaps/asdf_keymap_defs_sol.h b/firmware/asdf/src/Keymaps/asdf_keymap_defs_sol.h
index bb742f2..da815cf 100644
--- a/firmware/asdf/src/Keymaps/asdf_keymap_defs_sol.h
+++ b/firmware/asdf/src/Keymaps/asdf_keymap_defs_sol.h
@@ -87,7 +87,7 @@
 
 // The weird C preprocessor expansion behavior requires one dereference for each
 // expansion.
-#define SOL_KBD_VIRTUAL_SUB1(SOL_VDEVICE) ACTION_##SOL_VDEVICE
+#define SOL_KBD_VIRTUAL_SUB1(SOL_VDEVICE) ACTION_ ## SOL_VDEVICE
 #define SOL_KBD_VIRTUAL_SUB(SOL_VDEVICE) SOL_KBD_VIRTUAL_SUB1(SOL_VDEVICE)
 #define SOL_KBD_LOCAL_ACTION SOL_KBD_VIRTUAL_SUB(SOL_KBD_VLOCAL)
 #define SOL_KBD_RESET_ACTION SOL_KBD_VIRTUAL_SUB(SOL_KBD_VRESET)