diff --git a/src/interpreter/env.rs b/src/interpreter/emscripten.rs
similarity index 97%
rename from src/interpreter/env.rs
rename to src/interpreter/emscripten.rs
index fd0bba2..3d06963 100644
--- a/src/interpreter/env.rs
+++ b/src/interpreter/emscripten.rs
@@ -70,7 +70,7 @@ const INDEX_FUNC_MIN_NONUSED: u32 = 4;
 /// Max index of reserved function.
 const INDEX_FUNC_MAX: u32 = NATIVE_INDEX_FUNC_MIN - 1;
 
-/// Environment parameters.
+/// Emscripten environment parameters.
 pub struct EnvParams {
 	/// Stack size in bytes.
 	pub total_stack: u32,
@@ -84,24 +84,24 @@ pub struct EnvParams {
 	pub static_size: Option<u32>,
 }
 
-pub struct EnvModuleInstance {
+pub struct EmscriptenModuleInstance {
 	_params: EnvParams,
 	instance: ModuleInstance,
 }
 
-impl EnvModuleInstance {
+impl EmscriptenModuleInstance {
 	pub fn new(params: EnvParams, module: Module) -> Result<Self, Error> {
 		let mut instance = ModuleInstance::new(Weak::default(), "env".into(), module)?;
 		instance.instantiate(None)?;
 
-		Ok(EnvModuleInstance {
+		Ok(EmscriptenModuleInstance {
 			_params: params,
 			instance: instance,
 		})
 	}
 }
 
-impl ModuleInstanceInterface for EnvModuleInstance {
+impl ModuleInstanceInterface for EmscriptenModuleInstance {
 	fn execute_index(&self, index: u32, params: ExecutionParams) -> Result<Option<RuntimeValue>, Error> {
 		self.instance.execute_index(index, params)
 	}
@@ -173,7 +173,7 @@ impl ModuleInstanceInterface for EnvModuleInstance {
 	}
 }
 
-pub fn env_module(params: EnvParams) -> Result<EnvModuleInstance, Error> {
+pub fn env_module(params: EnvParams) -> Result<EmscriptenModuleInstance, Error> {
 	debug_assert!(params.total_stack < params.total_memory);
 	debug_assert!((params.total_stack % LINEAR_MEMORY_PAGE_SIZE) == 0);
 	debug_assert!((params.total_memory % LINEAR_MEMORY_PAGE_SIZE) == 0);
@@ -241,7 +241,7 @@ pub fn env_module(params: EnvParams) -> Result<EnvModuleInstance, Error> {
 			.build()
 			.with_export(ExportEntry::new("getTotalMemory".into(), Internal::Function(INDEX_FUNC_GET_TOTAL_MEMORY)));
 
-	EnvModuleInstance::new(params, builder.build())
+	EmscriptenModuleInstance::new(params, builder.build())
 }
 
 impl Default for EnvParams {
diff --git a/src/interpreter/mod.rs b/src/interpreter/mod.rs
index af9dccf..f0c056e 100644
--- a/src/interpreter/mod.rs
+++ b/src/interpreter/mod.rs
@@ -120,7 +120,7 @@ impl<U> From<U> for Error where U: UserError + Sized {
 	}
 }
 
-mod env;
+mod emscripten;
 mod env_native;
 mod imports;
 mod memory;
@@ -144,4 +144,4 @@ pub use self::program::ProgramInstance;
 pub use self::value::RuntimeValue;
 pub use self::variable::{VariableInstance, VariableType, ExternalVariableValue};
 pub use self::env_native::{env_native_module, UserDefinedElements, UserFunctionExecutor, UserFunctionDescriptor};
-pub use self::env::EnvParams;
+pub use self::emscripten::EnvParams;
diff --git a/src/interpreter/program.rs b/src/interpreter/program.rs
index 706f8dc..a56d99c 100644
--- a/src/interpreter/program.rs
+++ b/src/interpreter/program.rs
@@ -3,7 +3,7 @@ use std::collections::HashMap;
 use parking_lot::RwLock;
 use elements::Module;
 use interpreter::Error;
-use interpreter::env::{self, env_module};
+use interpreter::emscripten::{self, env_module};
 use interpreter::module::{ModuleInstance, ModuleInstanceInterface};
 
 /// Program instance. Program is a set of instantiated modules.
@@ -21,11 +21,11 @@ pub struct ProgramInstanceEssence {
 impl ProgramInstance {
 	/// Create new program instance.
 	pub fn new() -> Result<Self, Error> {
-		ProgramInstance::with_env_params(env::EnvParams::default())
+		ProgramInstance::with_env_params(emscripten::EnvParams::default())
 	}
 
 	/// Create new program instance with custom env module params (mostly memory)
-	pub fn with_env_params(params: env::EnvParams) -> Result<Self, Error> {
+	pub fn with_env_params(params: emscripten::EnvParams) -> Result<Self, Error> {
 		Ok(ProgramInstance {
 			essence: Arc::new(ProgramInstanceEssence::with_env_params(params)?),
 		})
@@ -65,10 +65,10 @@ impl ProgramInstance {
 impl ProgramInstanceEssence {
 	/// Create new program essence.
 	pub fn new() -> Result<Self, Error> {
-		ProgramInstanceEssence::with_env_params(env::EnvParams::default())
+		ProgramInstanceEssence::with_env_params(emscripten::EnvParams::default())
 	}
 
-	pub fn with_env_params(env_params: env::EnvParams) -> Result<Self, Error> {
+	pub fn with_env_params(env_params: emscripten::EnvParams) -> Result<Self, Error> {
 		let env_mod = env_module(env_params)?;
 		Ok(ProgramInstanceEssence::with_env_module(Arc::new(env_mod)))
 	}
@@ -81,7 +81,6 @@ impl ProgramInstanceEssence {
 		}
 	}
 
-
 	/// Get module reference.
 	pub fn module(&self, name: &str) -> Option<Arc<ModuleInstanceInterface>> {
 		self.modules.read().get(name).cloned()