diff --git a/config b/config
index 386969168..fb08299c4 100644
--- a/config
+++ b/config
@@ -189,7 +189,7 @@ NGX_WASM_SRCS="\
     $ngx_addon_dir/src/wasm/wrt/ngx_wrt_utils.c \
     $ngx_addon_dir/src/wasm/vm/ngx_wavm.c \
     $ngx_addon_dir/src/wasm/vm/ngx_wavm_host.c \
-    $ngx_addon_dir/src/wasm/wasi/ngx_wasi_host.c"
+    $ngx_addon_dir/src/wasm/wasi/ngx_wasi_preview1_host.c"
 
 NGX_WASM_CORE_SRCS="\
     $ngx_addon_dir/src/wasm/ngx_wasm_core_module.c \
diff --git a/src/wasm/wasi/ngx_wasi.h b/src/wasm/wasi/ngx_wasi.h
index 7c83c38ed..18914bdb9 100644
--- a/src/wasm/wasi/ngx_wasi.h
+++ b/src/wasm/wasi/ngx_wasi.h
@@ -15,7 +15,7 @@
 #define WASI_ERRNO_NOTSUP  58
 
 
-extern ngx_wavm_host_def_t  ngx_wasi_host;
+extern ngx_wavm_host_def_t  ngx_wasip1_host;
 
 
 #endif /* _NGX_WASI_H_INCLUDED_ */
diff --git a/src/wasm/wasi/ngx_wasi_host.c b/src/wasm/wasi/ngx_wasi_preview1_host.c
similarity index 99%
rename from src/wasm/wasi/ngx_wasi_host.c
rename to src/wasm/wasi/ngx_wasi_preview1_host.c
index 57874b72b..ad0d799a2 100644
--- a/src/wasm/wasi/ngx_wasi_host.c
+++ b/src/wasm/wasi/ngx_wasi_preview1_host.c
@@ -400,7 +400,7 @@ static ngx_wavm_host_func_def_t  ngx_wasi_hfuncs[] = {
 };
 
 
-ngx_wavm_host_def_t  ngx_wasi_host = {
-    ngx_string("ngx_wasi"),
+ngx_wavm_host_def_t  ngx_wasip1_host = {
+    ngx_string("ngx_wasi_preview1"),
     ngx_wasi_hfuncs,
 };
diff --git a/src/wasm/wrt/ngx_wrt_v8.c b/src/wasm/wrt/ngx_wrt_v8.c
index b39aa6d07..b544ef5df 100644
--- a/src/wasm/wrt/ngx_wrt_v8.c
+++ b/src/wasm/wrt/ngx_wrt_v8.c
@@ -333,7 +333,7 @@ ngx_v8_link_module(ngx_wrt_module_t *module, ngx_array_t *hfuncs,
             name.data = (u_char *) importname->data;
 
             hfunc = ngx_wavm_host_hfunc_create(module->engine->pool,
-                                               &ngx_wasi_host, &name);
+                                               &ngx_wasip1_host, &name);
 
             if (hfunc) {
                 dd("   -> wasi resolved: \"%.*s\"",
diff --git a/src/wasm/wrt/ngx_wrt_wasmer.c b/src/wasm/wrt/ngx_wrt_wasmer.c
index b71bc900c..ecfe2baa4 100644
--- a/src/wasm/wrt/ngx_wrt_wasmer.c
+++ b/src/wasm/wrt/ngx_wrt_wasmer.c
@@ -341,7 +341,7 @@ ngx_wasmer_link_module(ngx_wrt_module_t *module, ngx_array_t *hfuncs,
             name.data = (u_char *) importname->data;
 
             hfunc = ngx_wavm_host_hfunc_create(module->engine->pool,
-                                               &ngx_wasi_host, &name);
+                                               &ngx_wasip1_host, &name);
 
             if (hfunc) {
                 dd("   -> wasi resolved by host function: \"%.*s\"",
diff --git a/src/wasm/wrt/ngx_wrt_wasmtime.c b/src/wasm/wrt/ngx_wrt_wasmtime.c
index 651a63686..2bb2df993 100644
--- a/src/wasm/wrt/ngx_wrt_wasmtime.c
+++ b/src/wasm/wrt/ngx_wrt_wasmtime.c
@@ -280,17 +280,17 @@ ngx_wasmtime_init_engine(ngx_wrt_engine_t *engine, wasm_config_t *config,
 
     nwasi = 0;
 
-    for (i = 0; ngx_wasi_host.funcs[i].ptr; i++) {
+    for (i = 0; ngx_wasip1_host.funcs[i].ptr; i++) {
         nwasi++;
     }
 
     engine->pool = pool;
     engine->wasi_hfuncs = ngx_pcalloc(pool, sizeof(ngx_wavm_hfunc_t *) * nwasi);
 
-    for (i = 0; ngx_wasi_host.funcs[i].ptr; i++) {
-        def = &ngx_wasi_host.funcs[i];
+    for (i = 0; ngx_wasip1_host.funcs[i].ptr; i++) {
+        def = &ngx_wasip1_host.funcs[i];
 
-        hfunc = ngx_wavm_host_hfunc_create(pool, &ngx_wasi_host, &def->name);
+        hfunc = ngx_wavm_host_hfunc_create(pool, &ngx_wasip1_host, &def->name);
 
         err->res = wasmtime_linker_define_func(engine->linker,
                                                wasi_module,
@@ -316,7 +316,7 @@ ngx_wasmtime_destroy_engine(ngx_wrt_engine_t *engine)
 {
     size_t i;
 
-    for (i = 0; ngx_wasi_host.funcs[i].ptr; i++) {
+    for (i = 0; ngx_wasip1_host.funcs[i].ptr; i++) {
         wasm_functype_delete(engine->wasi_hfuncs[i]->functype);
     }