diff --git a/firmware/Makefile.inc b/firmware/Makefile.inc
index 1983ef8..1a6ddd2 100644
--- a/firmware/Makefile.inc
+++ b/firmware/Makefile.inc
@@ -7,7 +7,7 @@
 TARGET = LPC13xx
 FLASH = 32K
 SRAM = 8K
-RAMCODE=2K
+RAMCODE=2048
 
 # For USB HID support the LPC134x reserves 384 bytes from the sram,
 # if you don't want to use the USB features, just use 0 here.
@@ -40,6 +40,6 @@ CPU_TYPE = cortex-$(CORTEX_TYPE)
 # Compiler settings, parameters and flags
 ##########################################################################
 
-CFLAGS  = -std=c99 -c -g -Os $(INCLUDE_PATHS) -Wall -mthumb -ffunction-sections -fdata-sections -fmessage-length=0 -mcpu=$(CPU_TYPE) -DTARGET=$(TARGET) -fno-builtin
+CFLAGS  = -std=c99 -c -g -Os $(INCLUDE_PATHS) -Wall -mthumb -ffunction-sections -fdata-sections -fmessage-length=0 -mcpu=$(CPU_TYPE) -DTARGET=$(TARGET) -DRAMCODE=$(RAMCODE) -fno-builtin
 LDFLAGS = -nostartfiles
 
diff --git a/firmware/applications/executor.c b/firmware/applications/executor.c
index 03d9637..24d186f 100644
--- a/firmware/applications/executor.c
+++ b/firmware/applications/executor.c
@@ -7,10 +7,12 @@
 
 void backlightInit(void);
 
+extern void * __sram_top;
+
 void execute (const void *function, uint16_t length){
     void (*dst)(void);
 
-    dst=(void (*)(void)) 0x10001c00;
+    dst=(void (*)(void)) (__sram_top);
 
     DoString(0,8,"Enter RAM!");
     DoIntX(0,16,(uint32_t)function);
@@ -58,7 +60,7 @@ void execute_file (const char * fname){
         return;
     };
 
-    res = f_read(&file, (char *)dst, 2048, &readbytes);
+    res = f_read(&file, (char *)dst, RAMCODE, &readbytes);
     put_rc_y(res,8);
     if(res){
         return;