diff --git a/arch/xtensa/src/common/espressif/platform_include/sys/lock.h b/arch/xtensa/src/common/espressif/platform_include/sys/lock.h
index 7aa5e9b8ef..c289861bb4 100644
--- a/arch/xtensa/src/common/espressif/platform_include/sys/lock.h
+++ b/arch/xtensa/src/common/espressif/platform_include/sys/lock.h
@@ -43,12 +43,12 @@ struct __lock
 {
 #ifdef CONFIG_PRIORITY_INHERITANCE
 #  if CONFIG_SEM_PREALLOCHOLDERS > 0
-  int reserved[5];
+  int reserved[6];
 #  else
-  int reserved[8];
+  int reserved[9];
 #  endif
 #else
-  int reserved[4];
+  int reserved[5];
 #endif
 };