diff --git a/boot/cypress/MCUBootApp/cy_security_cnt.c b/boot/cypress/MCUBootApp/cy_security_cnt.c
index 81aa54e..3c3b2ec 100644
--- a/boot/cypress/MCUBootApp/cy_security_cnt.c
+++ b/boot/cypress/MCUBootApp/cy_security_cnt.c
@@ -17,20 +17,20 @@
 #include "bootutil/security_cnt.h"
 #include <stdint.h>
 
-fih_int
+fih_ret
 boot_nv_security_counter_init(void)
 {
     /* Do nothing. */
-    return 0;
+    return FIH_SUCCESS;
 }
 
-fih_int
+fih_ret
 boot_nv_security_counter_get(uint32_t image_id, fih_int *security_cnt)
 {
     (void)image_id;
     *security_cnt = 30;
 
-    return 0;
+    return FIH_SUCCESS;
 }
 
 int32_t
diff --git a/boot/cypress/MCUBootApp/main.c b/boot/cypress/MCUBootApp/main.c
index 6f987a6..a87d981 100644
--- a/boot/cypress/MCUBootApp/main.c
+++ b/boot/cypress/MCUBootApp/main.c
@@ -82,7 +82,7 @@
     struct boot_rsp rsp;
     cy_rslt_t rc = CY_RSLT_TYPE_ERROR;
     bool boot_succeeded = false;
-    fih_int fih_rc = FIH_FAILURE;
+    FIH_DECLARE(fih_rc, FIH_FAILURE);
 
     SystemInit();
     //init_cycfg_clocks();
@@ -138,7 +138,7 @@
     {
 
         FIH_CALL(boot_go, fih_rc, &rsp);
-        if (fih_eq(fih_rc, FIH_SUCCESS))
+        if (FIH_EQ(fih_rc, FIH_SUCCESS))
         {
             BOOT_LOG_INF("User Application validated successfully");
             /* initialize watchdog timer. it should be updated from user app