diff --git a/all/usr/bin/fix-qemu-layout.sh b/all/usr/bin/fix-qemu-layout.sh
index 31587fc..3d08edd 100644
--- a/all/usr/bin/fix-qemu-layout.sh
+++ b/all/usr/bin/fix-qemu-layout.sh
@@ -1,5 +1,9 @@
 #!/bin/ash
-cd /usr/local/bin/
-mv -f qemu-system-x86_64 qemu-system-x86_64.backup
-cp -vf launcher.dat qemu-system-x86_64
-chmod 755 qemu-system-x86_64
+
+if [ ! -f /var/packages/Virtualization/target/bin/qemu-system-x86_64.bin ]; then
+
+	mv -f /var/packages/Virtualization/target/bin/qemu-system-x86_64  /var/packages/Virtualization/target/bin/qemu-system-x86_64.bin
+	mv -f /usr/bin/launcher  /var/packages/Virtualization/target/bin/qemu-system-x86_64
+	chmod ug+x /var/packages/Virtualization/target/bin/qemu-system-x86_64
+
+fi
diff --git a/all/usr/bin/launcher.dat b/all/usr/bin/launcher
similarity index 93%
rename from all/usr/bin/launcher.dat
rename to all/usr/bin/launcher
index 6b6adaf..f98a412 100644
Binary files a/all/usr/bin/launcher.dat and b/all/usr/bin/launcher differ
diff --git a/install.sh b/install.sh
index bd4a594..e74cf91 100644
--- a/install.sh
+++ b/install.sh
@@ -3,7 +3,7 @@
 if [ "${1}" = "late" ]; then
   echo "Fix qemu-system-x86_64"
   mkdir -p /tmpRoot/usr/local/bin
-  cp -vf /usr/bin/launcher.dat /tmpRoot/usr/local/bin/launcher.dat
+  cp -vf /usr/bin/launcher /tmpRoot/usr/bin/launcher
   cp -vf /usr/bin/fix-qemu-layout.sh /tmpRoot/usr/local/bin/fix-qemu-layout.sh
   chmod ug+x /tmpRoot/usr/local/bin/fix-qemu-layout.sh
 
diff --git a/src/compile.sh b/src/compile.sh
index 523c05a..8d03ab5 100644
--- a/src/compile.sh
+++ b/src/compile.sh
@@ -1 +1 @@
-docker run --rm -v "$PWD":/src -w /src gcc gcc launcher.c -o ../all/usr/bin/launcher.dat
+docker run --rm -v "$PWD":/src -w /src gcc gcc launcher.c -o launcher
diff --git a/src/launcher.c b/src/launcher.c
index 7850fb7..f0d5720 100644
--- a/src/launcher.c
+++ b/src/launcher.c
@@ -18,7 +18,7 @@ int main(int argc, char *argv[]) {
             exit(EXIT_FAILURE);
         }
 
-        child_argv[0] = "/var/packages/Virtualization/target/bin/qemu-system-x86_64";  // nom du programme exécuté
+        child_argv[0] = "/var/packages/Virtualization/target/bin/qemu-system-x86_64.bin";  // nom du programme exécuté
 		//child_argv[0] = "/bin/echo";
         child_argv[1] = "-k";
         child_argv[2] = "fr";