diff --git a/core/iwasm/common/wasm_memory.c b/core/iwasm/common/wasm_memory.c
index cde2de4d..de1d54ed 100644
--- a/core/iwasm/common/wasm_memory.c
+++ b/core/iwasm/common/wasm_memory.c
@@ -921,8 +921,12 @@ return_func:
 
 bool
 wasm_runtime_enlarge_memory(WASMModuleInstanceCommon *module_inst,
-                            uint32_t inc_page_count)
+                            uint64 inc_page_count)
 {
+    if (inc_page_count > UINT32_MAX) {
+        return false;
+    }
+
 #if WASM_ENABLE_AOT != 0
     if (module_inst->module_type == Wasm_Module_AoT) {
         return aot_enlarge_memory((AOTModuleInstance *)module_inst,
diff --git a/core/iwasm/include/wasm_export.h b/core/iwasm/include/wasm_export.h
index 0d5f9572..b917ee6d 100644
--- a/core/iwasm/include/wasm_export.h
+++ b/core/iwasm/include/wasm_export.h
@@ -1842,9 +1842,17 @@ WASM_RUNTIME_API_EXTERN bool
 wasm_runtime_is_import_global_linked(const char *module_name,
                                      const char *global_name);
 
+/**
+ * Enlarge the memory region for a module instance
+ *
+ * @param module_inst the module instance
+ * @param inc_page_count the number of pages to add
+ *
+ * @return true if success, false otherwise
+ */
 WASM_RUNTIME_API_EXTERN bool
 wasm_runtime_enlarge_memory(wasm_module_inst_t module_inst,
-                            uint32_t inc_page_count);
+                            uint64_t inc_page_count);
 
 typedef enum {
     INTERNAL_ERROR,