diff --git a/components/spi_flash/test/test_mmap.c b/components/spi_flash/test/test_mmap.c
index 8d1b689046..135aa3cdad 100644
--- a/components/spi_flash/test/test_mmap.c
+++ b/components/spi_flash/test/test_mmap.c
@@ -300,6 +300,10 @@ TEST_CASE("flash_mmap can mmap after get enough free MMU pages", "[spi_flash]")
         }
     }
     uint32_t free_pages = spi_flash_mmap_get_free_pages(SPI_FLASH_MMAP_DATA);
+    if (spi_flash_get_chip_size() <= 0x200000) {
+        free_pages -= 0x200000/0x10000;
+    }
+
     printf("Mapping %x (+%x)\n", 0, free_pages * SPI_FLASH_MMU_PAGE_SIZE);
     const void *ptr2;
     ESP_ERROR_CHECK( spi_flash_mmap(0, free_pages * SPI_FLASH_MMU_PAGE_SIZE, SPI_FLASH_MMAP_DATA, &ptr2, &handle2) );