diff --git a/Makefile.firmware b/Makefile.firmware
index 01e1e610..bad67bbf 100644
--- a/Makefile.firmware
+++ b/Makefile.firmware
@@ -405,7 +405,7 @@ $(BUILD)/$(TARGET).elf: $(OBJ)
 	$(Q)$(SIZE) $@
 
 $(BUILD)/$(TARGET).bin: $(BUILD)/$(TARGET).elf
-	$(Q)$(OBJCOPY) -O binary -j .flash -j .data $^ $(BUILD)/$(TARGET).bin
+	$(Q)$(OBJCOPY) -O binary -j .header -j .flash -j .data $^ $(BUILD)/$(TARGET).bin
 
 $(BUILD)/%.o: %.S
 	$(ECHO) "CC $<"
diff --git a/Makefile.loader b/Makefile.loader
index ceb9a2a9..f8b07f6f 100644
--- a/Makefile.loader
+++ b/Makefile.loader
@@ -139,7 +139,7 @@ $(BUILD)/$(TARGET).elf: $(OBJ)
 	$(Q)$(SIZE) $@
 
 $(BUILD)/$(TARGET).bin: $(BUILD)/$(TARGET).elf
-	$(Q)$(OBJCOPY) -O binary -j .flash -j .data $^ $(BUILD)/$(TARGET).bin
+	$(Q)$(OBJCOPY) -O binary -j .header -j .flash -j .data $^ $(BUILD)/$(TARGET).bin
 
 $(BUILD)/%.o: %.S
 	$(ECHO) "CC $<"
diff --git a/micropython/firmware/memory.ld b/micropython/firmware/memory.ld
index 4f9bddae..a5f5fa86 100644
--- a/micropython/firmware/memory.ld
+++ b/micropython/firmware/memory.ld
@@ -25,11 +25,16 @@ ENTRY(Reset_Handler)
 /* define output sections */
 SECTIONS
 {
+    /* Firmware Header */
+    .header :
+    {
+        KEEP(*(.header))
+    } > FLASH
+
     /* The startup code goes first into FLASH */
     .flash :
     {
         . = ALIGN(4);
-        KEEP(*(.header))     /* Firmware Header */
         KEEP(*(.isr_vector)) /* Startup code */
         . = ALIGN(4);
         *(.text*)          /* .text* sections (code) */
@@ -87,7 +92,7 @@ SECTIONS
 }
 
 /* RAM extents for the garbage collector */
-_codelen = SIZEOF(.flash) + SIZEOF(.data) - 512;
+_codelen = SIZEOF(.flash) + SIZEOF(.data);
 _ram_start = ORIGIN(RAM);
 _ram_end = ORIGIN(RAM) + LENGTH(RAM);
 _heap_start = _ebss; /* heap starts just after statically allocated memory */
diff --git a/micropython/loader/memory.ld b/micropython/loader/memory.ld
index 0651b48b..e299594a 100644
--- a/micropython/loader/memory.ld
+++ b/micropython/loader/memory.ld
@@ -25,11 +25,16 @@ ENTRY(Reset_Handler)
 /* define output sections */
 SECTIONS
 {
+    /* Firmware Header */
+    .header :
+    {
+        KEEP(*(.header))
+    } > FLASH
+
     /* The startup code goes first into FLASH */
     .flash :
     {
         . = ALIGN(4);
-        KEEP(*(.header))     /* Firmware Header */
         KEEP(*(.isr_vector)) /* Startup code */
         . = ALIGN(4);
         *(.text*)          /* .text* sections (code) */
@@ -87,7 +92,7 @@ SECTIONS
 }
 
 /* RAM extents for the garbage collector */
-_codelen = SIZEOF(.flash) + SIZEOF(.data) - 512;
+_codelen = SIZEOF(.flash) + SIZEOF(.data);
 _ram_start = ORIGIN(RAM);
 _ram_end = ORIGIN(RAM) + LENGTH(RAM);
 _heap_start = _ebss; /* heap starts just after statically allocated memory */