diff --git a/lib/runtime-c-api/src/lib.rs b/lib/runtime-c-api/src/lib.rs
index 80774ce61..4cd51d130 100644
--- a/lib/runtime-c-api/src/lib.rs
+++ b/lib/runtime-c-api/src/lib.rs
@@ -21,6 +21,10 @@ use wasmer_runtime_core::module::{ExportIndex, ImportName};
 use wasmer_runtime_core::types::{ElementType, FuncSig, MemoryDescriptor, TableDescriptor, Type};
 use wasmer_runtime_core::units::{Bytes, Pages};
 
+pub mod value;
+
+use value::{wasmer_value, wasmer_value_t, wasmer_value_tag};
+
 #[repr(C)]
 pub struct wasmer_module_t;
 
@@ -40,32 +44,6 @@ pub enum wasmer_result_t {
     WASMER_ERROR = 2,
 }
 
-#[allow(non_camel_case_types)]
-#[repr(u32)]
-#[derive(Clone)]
-pub enum wasmer_value_tag {
-    WASM_I32,
-    WASM_I64,
-    WASM_F32,
-    WASM_F64,
-}
-
-#[repr(C)]
-#[derive(Clone, Copy)]
-pub union wasmer_value {
-    I32: int32_t,
-    I64: int64_t,
-    F32: f32,
-    F64: f64,
-}
-
-#[repr(C)]
-#[derive(Clone)]
-pub struct wasmer_value_t {
-    tag: wasmer_value_tag,
-    value: wasmer_value,
-}
-
 #[repr(C)]
 #[derive(Clone)]
 pub struct wasmer_global_descriptor_t {
diff --git a/lib/runtime-c-api/src/value.rs b/lib/runtime-c-api/src/value.rs
new file mode 100644
index 000000000..fc4e791a0
--- /dev/null
+++ b/lib/runtime-c-api/src/value.rs
@@ -0,0 +1,29 @@
+//! Wasm values.
+
+use libc::{int32_t, int64_t};
+
+#[allow(non_camel_case_types)]
+#[repr(u32)]
+#[derive(Clone)]
+pub enum wasmer_value_tag {
+    WASM_I32,
+    WASM_I64,
+    WASM_F32,
+    WASM_F64,
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub union wasmer_value {
+    pub I32: int32_t,
+    pub I64: int64_t,
+    pub F32: f32,
+    pub F64: f64,
+}
+
+#[repr(C)]
+#[derive(Clone)]
+pub struct wasmer_value_t {
+    pub tag: wasmer_value_tag,
+    pub value: wasmer_value,
+}