diff --git a/lv_objx/lv_calendar.c b/lv_objx/lv_calendar.c
index 9d73c4102..217c08d56 100644
--- a/lv_objx/lv_calendar.c
+++ b/lv_objx/lv_calendar.c
@@ -14,7 +14,7 @@
 #include "../lv_misc/lv_math.h"
 #include "../lv_core/lv_indev.h"
 #include "../lv_themes/lv_theme.h"
-#include <strings.h>
+#include <string.h>
 
 /*********************
  *      DEFINES
diff --git a/lv_objx/lv_ddlist.c b/lv_objx/lv_ddlist.c
index bf9e318d9..c8805d591 100644
--- a/lv_objx/lv_ddlist.c
+++ b/lv_objx/lv_ddlist.c
@@ -16,7 +16,7 @@
 #include "../lv_themes/lv_theme.h"
 #include "../lv_misc/lv_symbol_def.h"
 #include "../lv_misc/lv_anim.h"
-#include <strings.h>
+#include <string.h>
 
 /*********************
  *      DEFINES