diff --git a/lib/c-api/src/wasm_c_api/module.rs b/lib/c-api/src/wasm_c_api/module.rs
index 9502afffa..1543b2845 100644
--- a/lib/c-api/src/wasm_c_api/module.rs
+++ b/lib/c-api/src/wasm_c_api/module.rs
@@ -130,7 +130,7 @@ mod tests {
                 wasm_store_t* store = wasm_store_new(engine);
 
                 wasm_byte_vec_t wat;
-                wasm_byte_vec_new_from_string(&wat, "(module)");
+                wasmer_byte_vec_new_from_string(&wat, "(module)");
                 wasm_byte_vec_t* wasm = wat2wasm(&wat);
 
                 wasmer_assert(wasm_module_validate(store, wasm));
@@ -155,7 +155,7 @@ mod tests {
                 wasm_store_t* store = wasm_store_new(engine);
 
                 wasm_byte_vec_t wat;
-                wasm_byte_vec_new_from_string(&wat, "(module)");
+                wasmer_byte_vec_new_from_string(&wat, "(module)");
                 wasm_byte_vec_t* wasm = wat2wasm(&wat);
 
                 wasm_module_t* module = wasm_module_new(store, wasm);
@@ -185,7 +185,7 @@ mod tests {
                 wasm_store_t* store = wasm_store_new(engine);
 
                 wasm_byte_vec_t wat;
-                wasm_byte_vec_new_from_string(
+                wasmer_byte_vec_new_from_string(
                     &wat,
                     "(module\n"
                     "  (func (export \"function\") (param i32 i64))\n"
@@ -288,7 +288,7 @@ mod tests {
                 wasm_store_t* store = wasm_store_new(engine);
 
                 wasm_byte_vec_t wat;
-                wasm_byte_vec_new_from_string(
+                wasmer_byte_vec_new_from_string(
                     &wat,
                     "(module\n"
                     "  (import \"ns\" \"function\" (func))\n"
@@ -404,7 +404,7 @@ mod tests {
                 wasm_store_t* store = wasm_store_new(engine);
 
                 wasm_byte_vec_t wat;
-                wasm_byte_vec_new_from_string(&wat, "(module)");
+                wasmer_byte_vec_new_from_string(&wat, "(module)");
                 wasm_byte_vec_t* wasm = wat2wasm(&wat);
 
                 wasm_module_t* module = wasm_module_new(store, wasm);
@@ -434,7 +434,7 @@ mod tests {
                 wasm_store_t* store = wasm_store_new(engine);
 
                 wasm_byte_vec_t wat;
-                wasm_byte_vec_new_from_string(
+                wasmer_byte_vec_new_from_string(
                     &wat,
                     "(module\n"
                     "  (func (export \"function\") (param i32 i64))\n"
diff --git a/lib/c-api/src/wasm_c_api/wat.rs b/lib/c-api/src/wasm_c_api/wat.rs
index 78b726a99..d49472789 100644
--- a/lib/c-api/src/wasm_c_api/wat.rs
+++ b/lib/c-api/src/wasm_c_api/wat.rs
@@ -26,10 +26,8 @@ mod tests {
                 wasm_engine_t* engine = wasm_engine_new();
                 wasm_store_t* store = wasm_store_new(engine);
 
-                wasm_byte_vec_t wat = {
-                    .data = "(module)",
-                    .size = 8,
-                };
+                wasm_byte_vec_t wat;
+                wasmer_byte_vec_new_from_string(&wat, "(module)");
                 wasm_byte_vec_t* wasm = wat2wasm(&wat);
 
                 wasmer_assert(wasm);
@@ -64,10 +62,8 @@ mod tests {
                 wasm_engine_t* engine = wasm_engine_new();
                 wasm_store_t* store = wasm_store_new(engine);
 
-                wasm_byte_vec_t wat = {
-                    .data = "(module",
-                    .size = 7,
-                };
+                wasm_byte_vec_t wat;
+                wasmer_byte_vec_new_from_string(&wat, "(module");
                 wasm_byte_vec_t* wasm = wat2wasm(&wat);
 
                 wasmer_assert(!wasm);
diff --git a/lib/c-api/tests/wasmer_wasm.h b/lib/c-api/tests/wasmer_wasm.h
index b1367de59..98b908713 100644
--- a/lib/c-api/tests/wasmer_wasm.h
+++ b/lib/c-api/tests/wasmer_wasm.h
@@ -77,9 +77,9 @@ void _wasmer_assert_fail(const char* assertion, const char *file, unsigned int l
 #  endif
 #endif
 
-// Wasmer-specific shortcut to quickly create a `wasm_byte_vec_t` from
-// a string.
-static inline void wasm_byte_vec_new_from_string(
+// Helper to quickly create a `wasm_byte_vec_t` from a string, à la
+// `wasm_name_new_from_string`.
+static inline void wasmer_byte_vec_new_from_string(
   wasm_byte_vec_t* out, const char* s
 ) {
   wasm_byte_vec_new(out, strlen(s), s);