diff --git a/core/include/blue/core/btree.h b/core/include/blue/core/btree.h
index e456fd0..f526e07 100644
--- a/core/include/blue/core/btree.h
+++ b/core/include/blue/core/btree.h
@@ -7,6 +7,11 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#define B_BTREE_INIT                                                           \
+	{                                                                      \
+		0                                                              \
+	}
+
 #ifdef __cplusplus
 extern "C" {
 #endif