diff --git a/src/ngx_http_lua_headerfilterby.c b/src/ngx_http_lua_headerfilterby.c
index 63d629db..4e18c7cb 100644
--- a/src/ngx_http_lua_headerfilterby.c
+++ b/src/ngx_http_lua_headerfilterby.c
@@ -19,6 +19,7 @@
 #include "ngx_http_lua_string.h"
 #include "ngx_http_lua_misc.h"
 #include "ngx_http_lua_consts.h"
+#include "ngx_http_lua_shdict.h"
 
 
 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
@@ -38,6 +39,10 @@ static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
 static void
 ngx_http_lua_header_filter_by_lua_env(lua_State *L, ngx_http_request_t *r)
 {
+    ngx_http_lua_main_conf_t    *lmcf;
+
+    lmcf = ngx_http_get_module_main_conf(r, ngx_http_lua_module);
+
     /*  set nginx request pointer to current lua thread's globals table */
     lua_pushlightuserdata(L, r);
     lua_setglobal(L, GLOBALS_SYMBOL_REQUEST);
@@ -74,6 +79,7 @@ ngx_http_lua_header_filter_by_lua_env(lua_State *L, ngx_http_request_t *r)
     ngx_http_lua_inject_req_api_no_io(L);
     ngx_http_lua_inject_resp_header_api(L);
     ngx_http_lua_inject_variable_api(L);
+    ngx_http_lua_inject_shdict_api(lmcf, L);
     ngx_http_lua_inject_misc_api(L);
 
     lua_setfield(L, -2, "ngx");
diff --git a/src/ngx_http_lua_setby.c b/src/ngx_http_lua_setby.c
index e3cf75aa..778710fd 100644
--- a/src/ngx_http_lua_setby.c
+++ b/src/ngx_http_lua_setby.c
@@ -17,6 +17,7 @@
 #include "ngx_http_lua_string.h"
 #include "ngx_http_lua_misc.h"
 #include "ngx_http_lua_consts.h"
+#include "ngx_http_lua_shdict.h"
 
 
 static void ngx_http_lua_inject_arg_api(lua_State *L,
@@ -164,6 +165,10 @@ static void
 ngx_http_lua_set_by_lua_env(lua_State *L, ngx_http_request_t *r, size_t nargs,
         ngx_http_variable_value_t *args)
 {
+    ngx_http_lua_main_conf_t    *lmcf;
+
+    lmcf = ngx_http_get_module_main_conf(r, ngx_http_lua_module);
+
     /*  set nginx request pointer to current lua thread's globals table */
     lua_pushlightuserdata(L, r);
     lua_setglobal(L, GLOBALS_SYMBOL_REQUEST);
@@ -201,6 +206,7 @@ ngx_http_lua_set_by_lua_env(lua_State *L, ngx_http_request_t *r, size_t nargs,
 #if (NGX_PCRE)
     ngx_http_lua_inject_regex_api(L);
 #endif
+    ngx_http_lua_inject_shdict_api(lmcf, L);
     ngx_http_lua_inject_misc_api(L);
 
     lua_setfield(L, -2, "ngx");
diff --git a/src/ngx_http_lua_shdict.c b/src/ngx_http_lua_shdict.c
index a5d2104e..4eb638eb 100644
--- a/src/ngx_http_lua_shdict.c
+++ b/src/ngx_http_lua_shdict.c
@@ -238,14 +238,12 @@ ngx_http_lua_shdict_expire(ngx_http_lua_shdict_ctx_t *ctx, ngx_uint_t n)
 
 
 void
-ngx_http_lua_inject_shdict_api(ngx_conf_t *cf, lua_State *L)
+ngx_http_lua_inject_shdict_api(ngx_http_lua_main_conf_t *lmcf, lua_State *L)
 {
-    ngx_http_lua_main_conf_t    *lmcf;
     ngx_http_lua_shdict_ctx_t   *ctx;
     ngx_uint_t                   i;
     ngx_shm_zone_t             **zone;
 
-    lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_lua_module);
 
     if (lmcf->shm_zones != NULL) {
         lua_createtable(L, 0, 1 /* nrec */);    /* ngx.shared */
diff --git a/src/ngx_http_lua_shdict.h b/src/ngx_http_lua_shdict.h
index aa2c7a47..43d8197f 100644
--- a/src/ngx_http_lua_shdict.h
+++ b/src/ngx_http_lua_shdict.h
@@ -36,7 +36,8 @@ ngx_int_t ngx_http_lua_shdict_init_zone(ngx_shm_zone_t *shm_zone, void *data);
 void ngx_http_lua_shdict_rbtree_insert_value(ngx_rbtree_node_t *temp,
     ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
 
-void ngx_http_lua_inject_shdict_api(ngx_conf_t *cf, lua_State *L);
+void ngx_http_lua_inject_shdict_api(ngx_http_lua_main_conf_t *lmcf,
+        lua_State *L);
 
 
 #endif /* NGX_HTTP_LUA_SHDICT_H */
diff --git a/src/ngx_http_lua_util.c b/src/ngx_http_lua_util.c
index ee350997..922db285 100644
--- a/src/ngx_http_lua_util.c
+++ b/src/ngx_http_lua_util.c
@@ -500,6 +500,10 @@ init_ngx_lua_registry(ngx_conf_t *cf, lua_State *L)
 static void
 init_ngx_lua_globals(ngx_conf_t *cf, lua_State *L)
 {
+    ngx_http_lua_main_conf_t    *lmcf;
+
+    lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_lua_module);
+
     ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0,
             "lua initializing lua globals");
 
@@ -529,7 +533,7 @@ init_ngx_lua_globals(ngx_conf_t *cf, lua_State *L)
     ngx_http_lua_inject_req_api(L);
     ngx_http_lua_inject_resp_header_api(L);
     ngx_http_lua_inject_variable_api(L);
-    ngx_http_lua_inject_shdict_api(cf, L);
+    ngx_http_lua_inject_shdict_api(lmcf, L);
     ngx_http_lua_inject_misc_api(L);
 
     lua_getglobal(L, "package"); /* ngx package */
diff --git a/t/043-shdict.t b/t/043-shdict.t
index 090104c3..2af3ce95 100644
--- a/t/043-shdict.t
+++ b/t/043-shdict.t
@@ -8,7 +8,7 @@ use Test::Nginx::Socket;
 
 #repeat_each(2);
 
-plan tests => repeat_each() * (blocks() * 2 + 4);
+plan tests => repeat_each() * (blocks() * 2 + 5);
 
 #no_diff();
 no_long_string();
@@ -462,3 +462,91 @@ GET /test
 --- response_body_like
 ^abort at (?:139|142)$
 
+
+
+=== TEST 19: string key, int value (write_by_lua)
+--- http_config
+    lua_shared_dict dogs 1m;
+--- config
+    location = /test {
+        rewrite_by_lua '
+            local dogs = ngx.shared.dogs
+            dogs:set("foo", 32)
+            dogs:set("bah", 10502)
+            local val = dogs:get("foo")
+            ngx.say(val, " ", type(val))
+            val = dogs:get("bah")
+            ngx.say(val, " ", type(val))
+        ';
+        content_by_lua return;
+    }
+--- request
+GET /test
+--- response_body
+32 number
+10502 number
+
+
+
+=== TEST 20: string key, int value (access_by_lua)
+--- http_config
+    lua_shared_dict dogs 1m;
+--- config
+    location = /test {
+        access_by_lua '
+            local dogs = ngx.shared.dogs
+            dogs:set("foo", 32)
+            dogs:set("bah", 10502)
+            local val = dogs:get("foo")
+            ngx.say(val, " ", type(val))
+            val = dogs:get("bah")
+            ngx.say(val, " ", type(val))
+        ';
+        content_by_lua return;
+    }
+--- request
+GET /test
+--- response_body
+32 number
+10502 number
+
+
+
+=== TEST 21: string key, int value (set_by_lua)
+--- http_config
+    lua_shared_dict dogs 1m;
+--- config
+    location = /test {
+        set_by_lua $res '
+            local dogs = ngx.shared.dogs
+            dogs:set("foo", 32)
+            return dogs:get("foo")
+        ';
+        echo $res;
+    }
+--- request
+GET /test
+--- response_body
+32
+
+
+
+=== TEST 21: string key, int value (header_by_lua)
+--- http_config
+    lua_shared_dict dogs 1m;
+--- config
+    location = /test {
+        echo hello;
+        header_filter_by_lua '
+            local dogs = ngx.shared.dogs
+            dogs:set("foo", 32)
+            ngx.header["X-Foo"] = dogs:get("foo")
+        ';
+    }
+--- request
+GET /test
+--- response_headers
+X-Foo: 32
+--- response_body
+hello
+