diff --git a/ev_str.h b/ev_str.h
index 1394c07..057abcf 100644
--- a/ev_str.h
+++ b/ev_str.h
@@ -10,6 +10,8 @@
 #include <stddef.h>
 #include <stdarg.h>
 
+#define EV_STR_evstring_MAGIC (0x65767374)
+
 #ifdef EV_STR_SHARED
     #if defined (EV_STR_IMPL)
         #define EV_STR_API EV_EXPORT
@@ -203,8 +205,6 @@ evstring_findLastChar(
 
 #define META(s) (((struct evstr_meta_t *)(s)) - 1)
 
-#define EV_STR_evstring_MAGIC (0x65767374)
-
 #if EV_BUILDTYPE_DEBUG || EV_BUILDTYPE_DEBUGOPT
 #define evstr_asserttype(str) \
     assert(META(str)->magic == EV_STR_evstring_MAGIC)