diff --git a/firmware/memory.x b/firmware/memory.x
index 23cc8df..3f8b9a7 100644
--- a/firmware/memory.x
+++ b/firmware/memory.x
@@ -1,5 +1,5 @@
 MEMORY
 {
-  FLASH : ORIGIN = 0x80000000, LENGTH = 16M
-  RAM : ORIGIN = 0x81000000, LENGTH = 16K
+  FLASH : ORIGIN = 0x00000000, LENGTH = 16K
+  RAM : ORIGIN = 0x0004000, LENGTH = 16K
 }
diff --git a/firmware/src/main.rs b/firmware/src/main.rs
index 9ae5873..d443a38 100644
--- a/firmware/src/main.rs
+++ b/firmware/src/main.rs
@@ -11,7 +11,7 @@ fn main() -> ! {
     let foo = "hello world\n";
     loop {
         for c in foo.chars() {
-            let mem = 0x1001_3000 as *mut u8;
+            let mem = 0x00400000 as *mut u8;
             unsafe { *mem = c as u8 }
         }
     }