diff --git a/boot/bootutil/src/loader.c b/boot/bootutil/src/loader.c
index d748439..c6ec34f 100644
--- a/boot/bootutil/src/loader.c
+++ b/boot/bootutil/src/loader.c
@@ -954,6 +954,8 @@
         }
 
         bytes_copied += chunk_sz;
+
+        MCUBOOT_WATCHDOG_FEED();
     }
 
     return 0;