diff --git a/core/iwasm/interpreter/wasm_loader.c b/core/iwasm/interpreter/wasm_loader.c
index 9e88e205..f831073c 100644
--- a/core/iwasm/interpreter/wasm_loader.c
+++ b/core/iwasm/interpreter/wasm_loader.c
@@ -7026,7 +7026,7 @@ wasm_loader_get_custom_section(WASMModule *module, const char *name,
         section = section->next;
     }
 
-    return false;
+    return NULL;
 }
 #endif