diff --git a/include/sys/__assert.h b/include/sys/__assert.h
index f42a567ad39..e1c438150da 100644
--- a/include/sys/__assert.h
+++ b/include/sys/__assert.h
@@ -8,6 +8,7 @@
 #define ZEPHYR_INCLUDE_SYS___ASSERT_H_
 
 #include <stdbool.h>
+#include <sys/printk.h>
 
 #ifdef CONFIG_ASSERT
 #ifndef __ASSERT_ON