diff --git a/fx/include/fx/value.h b/fx/include/fx/value.h
index ef81602..55dabc5 100644
--- a/fx/include/fx/value.h
+++ b/fx/include/fx/value.h
@@ -5,6 +5,7 @@
 #include <fx/type.h>
 #include <stdint.h>
 
+#define FX_VALUE_EMPTY ((fx_value) {})
 #define FX_VALUE_BOOL(v)                                                       \
 	((fx_value) {                                                          \
 		.v_type.t_primitive = FX_VALUE_TYPE_BOOL,                      \