diff --git a/src/lj_err.c b/src/lj_err.c
index 0d5aa683..562697ad 100644
--- a/src/lj_err.c
+++ b/src/lj_err.c
@@ -72,13 +72,11 @@
 /* -- Error messages ------------------------------------------------------ */
 
 /* Error message strings. */
-static const char *lj_err_allmsg =
+LJ_DATADEF const char *lj_err_allmsg =
 #define ERRDEF(name, msg)	msg "\0"
 #include "lj_errmsg.h"
 ;
 
-#define err2msg(em)	(lj_err_allmsg+(int)(em))
-
 /* -- Frame and function introspection ------------------------------------ */
 
 static BCPos currentpc(lua_State *L, GCfunc *fn, cTValue *nextframe)
diff --git a/src/lj_err.h b/src/lj_err.h
index 4c5213b6..cd5d4f4d 100644
--- a/src/lj_err.h
+++ b/src/lj_err.h
@@ -17,6 +17,9 @@ typedef enum {
   LJ_ERR__MAX
 } ErrMsg;
 
+LJ_DATA const char *lj_err_allmsg;
+#define err2msg(em)	(lj_err_allmsg+(int)(em))
+
 LJ_FUNC GCstr *lj_err_str(lua_State *L, ErrMsg em);
 LJ_FUNCA_NORET void LJ_FASTCALL lj_err_throw(lua_State *L, int errcode);
 LJ_FUNC_NORET void lj_err_mem(lua_State *L);