diff --git a/templates/bluepill/configure b/templates/bluepill/configure
index d3c9b5f..d19f245 100755
--- a/templates/bluepill/configure
+++ b/templates/bluepill/configure
@@ -1,5 +1,5 @@
 #!/bin/bash
 mv -n *.c *.s *.S src/
 mv -n *.dat *.inc *.h include/
-sed -i src/encrypt.c -e "s/\(\s\)init(/\1_init(/g"
+sed -i src/encrypt.c -e "s/\(\s\)init(/\1encrypt_init(/g"
 exit 0
diff --git a/templates/bluepill/empty_ram.bin b/templates/bluepill/empty_ram.bin
new file mode 100644
index 0000000..abdf77b
Binary files /dev/null and b/templates/bluepill/empty_ram.bin differ
diff --git a/templates/bluepill/test b/templates/bluepill/test
index c0307ef..bc8087f 100755
--- a/templates/bluepill/test
+++ b/templates/bluepill/test
@@ -20,6 +20,28 @@ def flash():
             stdout=sys.stderr, stdin=pipe)
     stdout, stderr = p.communicate("") 
 
+
+def popen_jlink():
+    pipe = subprocess.PIPE
+    cmd = ['JLinkExe']
+    cmd.extend(['-autoconnect', '1'])
+    cmd.extend(['-device', 'STM32F103C8'])
+    cmd.extend(['-if', 'swd'])
+    cmd.extend(['-speed', '4000'])
+    return subprocess.Popen(cmd, stdout=sys.stderr, stdin=pipe)
+
+
+def fill_ram():
+    p = popen_jlink()
+    return p.communicate(("""
+h
+loadbin empty_ram.bin 0x20000000
+r
+g
+exit
+    """).encode('ascii'))
+
+
 def get_serial():
     import serial.tools.list_ports
     ports = serial.tools.list_ports.comports()
@@ -113,6 +135,7 @@ def main(argv):
     uartp = UARTP(ser)
 
     flash()
+    fill_ram()
     eprint("Flashed")
     time.sleep(0.1)