diff --git a/RELEASE_NOTES.rst b/RELEASE_NOTES.rst
index 390421647..7ea7ce122 100644
--- a/RELEASE_NOTES.rst
+++ b/RELEASE_NOTES.rst
@@ -9,4 +9,4 @@ Release notes
   (and not ``from artiq import *`` as previously)
 * Core device flash storage has moved due to increased runtime size.
   This requires reflashing the runtime and the flash storage filesystem image
-  or its data.
+  or erase and rewrite its entries.
diff --git a/artiq/frontend/artiq_flash.py b/artiq/frontend/artiq_flash.py
index 40bd1178a..82cb27939 100755
--- a/artiq/frontend/artiq_flash.py
+++ b/artiq/frontend/artiq_flash.py
@@ -58,7 +58,7 @@ def main():
             "bitstream": 0x000000,
             "bios": 0xaf0000,
             "runtime": 0xb00000,
-            "storage": 0xb70000,
+            "storage": 0xb80000,
         },
         "pipistrello": {
             "chip": "xc6slx45",
@@ -66,7 +66,7 @@ def main():
             "bitstream": 0x000000,
             "bios": 0x170000,
             "runtime": 0x180000,
-            "storage": 0x1f0000,
+            "storage": 0x200000,
         },
     }[opts.target]
 
diff --git a/artiq/runtime/flash_storage.c b/artiq/runtime/flash_storage.c
index a69a879a4..68a231716 100644
--- a/artiq/runtime/flash_storage.c
+++ b/artiq/runtime/flash_storage.c
@@ -14,7 +14,7 @@
 
 #if (defined CSR_SPIFLASH_BASE && defined CONFIG_SPIFLASH_PAGE_SIZE)
 
-#define STORAGE_ADDRESS ((char *)(FLASH_BOOT_ADDRESS + 0x70000))
+#define STORAGE_ADDRESS ((char *)(FLASH_BOOT_ADDRESS + 0x80000 /* max runtime size */))
 #define STORAGE_SIZE    CONFIG_SPIFLASH_SECTOR_SIZE
 #define END_MARKER      (0xFFFFFFFF)