diff --git a/Libraries/zephyr/MAX/Source/MAX32657/max32xxx_system.c b/Libraries/zephyr/MAX/Source/MAX32657/max32xxx_system.c
index 9998ccfb0b..c773797684 100644
--- a/Libraries/zephyr/MAX/Source/MAX32657/max32xxx_system.c
+++ b/Libraries/zephyr/MAX/Source/MAX32657/max32xxx_system.c
@@ -17,8 +17,13 @@
  ******************************************************************************/
 
 #include "max32657.h"
+#include "icc.h"
 
 /* 
  * This function is called during boot up.
  */
-void max32xx_system_init(void) {}
+void max32xx_system_init(void)
+{
+    /* Enable instruction cache */
+    MXC_ICC_Enable();
+}