diff --git a/ext/src/ruby_api/global.rs b/ext/src/ruby_api/global.rs
index d5c394e6..bfd6c0ef 100644
--- a/ext/src/ruby_api/global.rs
+++ b/ext/src/ruby_api/global.rs
@@ -55,7 +55,7 @@ impl<'a> Global<'a> {
         mutability: Mutability,
     ) -> Result<Self, Error> {
         let wasm_type = value_type.to_val_type()?;
-        let wasm_default = default.to_wasm_val(wasm_type)?;
+        let wasm_default = default.to_wasm_val(wasm_type.clone())?;
         let inner = GlobalImpl::new(
             s.context_mut(),
             GlobalType::new(wasm_type, mutability),
@@ -95,7 +95,7 @@ impl<'a> Global<'a> {
     /// @def type
     /// @return [Symbol] The Wasm type of the global‘s content.
     pub fn type_(&self) -> Result<Symbol, Error> {
-        self.ty().map(|ty| (*ty.content()).to_sym())
+        self.ty().map(|ty| (ty.content()).clone().to_sym())
     }
 
     /// @yard
@@ -129,7 +129,7 @@ impl<'a> Global<'a> {
     }
 
     fn value_type(&self) -> Result<wasmtime::ValType, Error> {
-        self.ty().map(|ty| *ty.content())
+        self.ty().map(|ty| ty.content().clone())
     }
 
     fn retain_non_nil_extern_ref(&self, value: Value) -> Result<(), Error> {
diff --git a/ext/src/ruby_api/params.rs b/ext/src/ruby_api/params.rs
index 6c617873..6cc9d46c 100644
--- a/ext/src/ruby_api/params.rs
+++ b/ext/src/ruby_api/params.rs
@@ -21,7 +21,7 @@ impl Param {
 
     fn to_wasmtime_val(&self) -> Result<wasmtime::Val, Error> {
         self.val
-            .to_wasm_val(self.ty)
+            .to_wasm_val(self.ty.clone())
             .map_err(|error| match error.error_type() {
                 ErrorType::Error(class, msg) => {
                     Error::new(*class, format!("{} (param at index {})", msg, self.index))
diff --git a/ext/src/ruby_api/table.rs b/ext/src/ruby_api/table.rs
index 146af627..cd1ac001 100644
--- a/ext/src/ruby_api/table.rs
+++ b/ext/src/ruby_api/table.rs
@@ -51,7 +51,7 @@ impl<'a> Table<'a> {
         let (min,) = kw.required;
         let (max,) = kw.optional;
         let wasm_type = value_type.to_val_type()?;
-        let wasm_default = default.to_wasm_val(wasm_type)?;
+        let wasm_default = default.to_wasm_val(wasm_type.clone())?;
 
         let inner = TableImpl::new(
             s.context_mut(),
diff --git a/ext/src/ruby_api/wasi_ctx_builder.rs b/ext/src/ruby_api/wasi_ctx_builder.rs
index 568bf1e0..8dcc53d9 100644
--- a/ext/src/ruby_api/wasi_ctx_builder.rs
+++ b/ext/src/ruby_api/wasi_ctx_builder.rs
@@ -213,14 +213,18 @@ impl WasiCtxBuilder {
         if let Some(stdout) = inner.stdout.as_ref() {
             match stdout {
                 WriteStream::Inherit => builder.inherit_stdout(),
-                WriteStream::Path(path) => builder.stdout(file_w(*path).map(wasi_file)?),
+                WriteStream::Path(path) => {
+                    builder.stdout(file_w(ruby.get_inner(*path)).map(wasi_file)?)
+                }
             };
         }
 
         if let Some(stderr) = inner.stderr.as_ref() {
             match stderr {
                 WriteStream::Inherit => builder.inherit_stderr(),
-                WriteStream::Path(path) => builder.stderr(file_w(*path).map(wasi_file)?),
+                WriteStream::Path(path) => {
+                    builder.stderr(file_w(ruby.get_inner(*path)).map(wasi_file)?)
+                }
             };
         }
 
@@ -235,7 +239,7 @@ impl WasiCtxBuilder {
         }
 
         if let Some(env_hash) = inner.env.as_ref() {
-            let env_vec: Vec<(String, String)> = env_hash.to_vec()?;
+            let env_vec: Vec<(String, String)> = ruby.get_inner(*env_hash).to_vec()?;
             builder.envs(&env_vec).map_err(|e| error!("{}", e))?;
         }