diff --git a/src/flash/nor/esp_flash.c b/src/flash/nor/esp_flash.c
index c4eef8303a..393867dc56 100644
--- a/src/flash/nor/esp_flash.c
+++ b/src/flash/nor/esp_flash.c
@@ -72,6 +72,7 @@
 
 #define ESP_FLASH_RW_TMO                20000	/* ms */
 #define ESP_FLASH_ERASE_TMO             60000	/* ms */
+#define ESP_FLASH_VERIFY_TMO            30000	/* ms */
 #define ESP_FLASH_MAPS_MAX              2
 
 struct esp_flash_rw_args {
@@ -1358,6 +1359,7 @@ static int esp_algo_flash_calc_hash(struct flash_bank *bank, uint8_t *hash,
 		PARAM_IN);
 	run.mem_args.params = ∓
 	run.mem_args.count = 1;
+	run.timeout_ms = ESP_FLASH_VERIFY_TMO;
 
 	struct duration bench;
 	duration_start(&bench);
diff --git a/testing/esp/test_flasher.py b/testing/esp/test_flasher.py
index 727592ddc9..a8d644b4ac 100644
--- a/testing/esp/test_flasher.py
+++ b/testing/esp/test_flasher.py
@@ -67,7 +67,7 @@ def test_big_binary(self):
             4) Read written data to another file.
             5) Compare files.
         """
-        self.program_big_binary('encrypt' if self.ENCRYPTED else '', size=self.flash_sz)
+        self.program_big_binary('encrypt verify' if self.ENCRYPTED else 'verify', size=self.flash_sz)
         # restore flash contents with test app as it was overwritten by test
         # what can lead to the failures when preparing for the next tests
         self.gdb.target_program_bins(self.test_app_cfg.build_bins_dir())