diff --git a/conf/airframes/examples/airframe.dtd b/conf/airframes/examples/airframe.dtd
deleted file mode 120000
index 29639095e4..0000000000
--- a/conf/airframes/examples/airframe.dtd
+++ /dev/null
@@ -1 +0,0 @@
-../airframe.dtd
\ No newline at end of file
diff --git a/conf/airframes/examples/delta_wing_minimal.xml b/conf/airframes/examples/delta_wing_minimal.xml
index e3f3099c32..6d30e869aa 100644
--- a/conf/airframes/examples/delta_wing_minimal.xml
+++ b/conf/airframes/examples/delta_wing_minimal.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <!-- Funjet Multiplex (http://www.multiplex-rc.de/), Jeti ECO 25
      Tiny 2.11 board (http://paparazzi.enac.fr/wiki/Tiny_v2)
diff --git a/conf/airframes/examples/demo_module.xml b/conf/airframes/examples/demo_module.xml
index ed517e8c1a..33bb619a2d 100644
--- a/conf/airframes/examples/demo_module.xml
+++ b/conf/airframes/examples/demo_module.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <airframe name="Demo module on Tiny2.1">
 
diff --git a/conf/airframes/examples/easy_glider.xml b/conf/airframes/examples/easy_glider.xml
index 22b7a59680..db1b494981 100644
--- a/conf/airframes/examples/easy_glider.xml
+++ b/conf/airframes/examples/easy_glider.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <airframe name="Easy Glider Tiny 0.99">
 
diff --git a/conf/airframes/examples/easystar.xml b/conf/airframes/examples/easystar.xml
index 337a9c6e5a..00988061cf 100644
--- a/conf/airframes/examples/easystar.xml
+++ b/conf/airframes/examples/easystar.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <!--
     Multiplex EasyStar, using rudder
diff --git a/conf/airframes/examples/easystar_ets.xml b/conf/airframes/examples/easystar_ets.xml
index 7dae136c0d..ea7dc601a8 100644
--- a/conf/airframes/examples/easystar_ets.xml
+++ b/conf/airframes/examples/easystar_ets.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <!--
     Multiplex EasyStar, using rudder
diff --git a/conf/airframes/examples/funjet.xml b/conf/airframes/examples/funjet.xml
index de17994437..0dd4ad78e2 100644
--- a/conf/airframes/examples/funjet.xml
+++ b/conf/airframes/examples/funjet.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <!-- Funjet Multiplex (http://www.multiplex-rc.de/), Jeti ECO 25
      Tiny 2.11 board (http://paparazzi.enac.fr/wiki/Tiny_v2)
diff --git a/conf/airframes/examples/funjet_cam.xml b/conf/airframes/examples/funjet_cam.xml
index d78157b832..91daf8ecf5 100644
--- a/conf/airframes/examples/funjet_cam.xml
+++ b/conf/airframes/examples/funjet_cam.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <!-- Funjet Multiplex (http://www.multiplex-rc.de/), Jeti ECO 25
      Tiny 2.11 board (http://paparazzi.enac.fr/wiki/Tiny_v2)
diff --git a/conf/airframes/examples/microjet.xml b/conf/airframes/examples/microjet.xml
index 3c8f5b8ef3..6825915017 100644
--- a/conf/airframes/examples/microjet.xml
+++ b/conf/airframes/examples/microjet.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <!-- Microjet Multiplex (http://www.multiplex-rc.de/)
      Tiny 1.1 board (http://paparazzi.enac.fr/wiki/Tiny)
diff --git a/conf/airframes/examples/twinjet.xml b/conf/airframes/examples/twinjet.xml
index fb86fd0152..a59aaa420d 100644
--- a/conf/airframes/examples/twinjet.xml
+++ b/conf/airframes/examples/twinjet.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <!-- Twinjet Multiplex (http://www.multiplex-rc.de/)
      Twog v1 board (http://paparazzi.enac.fr/wiki/Twog_v1)
diff --git a/conf/airframes/examples/twinstar.xml b/conf/airframes/examples/twinstar.xml
index 861fd67536..39cde46caa 100644
--- a/conf/airframes/examples/twinstar.xml
+++ b/conf/airframes/examples/twinstar.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <!-- Twinstar II, 2x Jeti 18 advance plus, AXI 2212/26
      Graupner C19 receiver
diff --git a/conf/airframes/examples/twog_analogimu.xml b/conf/airframes/examples/twog_analogimu.xml
index 0696091215..c5e0a086c6 100644
--- a/conf/airframes/examples/twog_analogimu.xml
+++ b/conf/airframes/examples/twog_analogimu.xml
@@ -1,4 +1,4 @@
-<!DOCTYPE airframe SYSTEM "airframe.dtd">
+<!DOCTYPE airframe SYSTEM "../airframe.dtd">
 
 <!--
     Use settings/tuning_ins.xml