diff --git a/crates/c-api/src/config.rs b/crates/c-api/src/config.rs
index ae0cb6abdc..5ca7e7a3ba 100644
--- a/crates/c-api/src/config.rs
+++ b/crates/c-api/src/config.rs
@@ -173,6 +173,6 @@ pub extern "C" fn wasmtime_config_dynamic_memory_guard_size_set(c: &mut wasm_con
 }
 
 #[no_mangle]
-pub extern "C" fn wasmtime_config_max_instances(c: &mut wasm_config_t, limit: usize) {
+pub extern "C" fn wasmtime_config_max_instances_set(c: &mut wasm_config_t, limit: usize) {
     c.config.max_instances(limit);
 }