diff --git a/components/freertos/include/freertos/portable.h b/components/freertos/include/freertos/portable.h
index 9fe74b60c..33b740e89 100644
--- a/components/freertos/include/freertos/portable.h
+++ b/components/freertos/include/freertos/portable.h
@@ -205,7 +205,7 @@ BaseType_t xPortInterruptedFromISRContext();
 /* Multi-core: get current core ID */
 static inline uint32_t IRAM_ATTR xPortGetCoreID() {
     int id;
-    asm (
+    __asm__ (
         "rsr.prid %0\n"
         " extui %0,%0,13,1"
         :"=r"(id));