diff --git a/Makefile b/Makefile
index 0cf5195..85107a3 100644
--- a/Makefile
+++ b/Makefile
@@ -315,6 +315,7 @@ else
 applet/$(TARGET).cpp: $(TARGET).ino
 	test -d applet || mkdir applet
 	echo '#include "Arduino.h"' > applet/$(TARGET).cpp
+	echo '#line 1 "$(TARGET).ino"' >> applet/$(TARGET).cpp
 	cat $(TARGET).ino >> applet/$(TARGET).cpp
 	echo 'extern "C" void __cxa_pure_virtual() { while (1) ; }' >> applet/$(TARGET).cpp
 	cat $(ARDUINO_CORE)/main.cpp >> applet/$(TARGET).cpp
diff --git a/blink/blink.ino b/blink/blink.ino
index d31a647..025f124 100644
--- a/blink/blink.ino
+++ b/blink/blink.ino
@@ -1,5 +1,4 @@
 /* -*- c -*- */
-#line 3
 
 /*
  * Arduino basic blink
diff --git a/motors/servo/servo.ino b/motors/servo/servo.ino
index b6a7f20..f1055ac 100644
--- a/motors/servo/servo.ino
+++ b/motors/servo/servo.ino
@@ -1,5 +1,4 @@
 /* -*- c -*- */
-#line 3
 
 #include <Servo.h>
  
diff --git a/sunflower/sunflower.ino b/sunflower/sunflower.ino
index b8fcc54..ca616ee 100644
--- a/sunflower/sunflower.ino
+++ b/sunflower/sunflower.ino
@@ -1,6 +1,5 @@
 /* Sunflower sketch: turn in the direction the light is brightest.
  */
-#line 3
 
 #include <Stepper.h>