diff --git a/Makefile b/Makefile
index b6eaa12..c383ec0 100644
--- a/Makefile
+++ b/Makefile
@@ -311,14 +311,16 @@ all : $(CROSS-CC-DIR)/bin/x86_64-elf-gcc
 ## QEMU/DEBUG RELATED
 
 test: all installonimage
-	@qemu-system-x86_64 -vga std -enable-kvm -machine type=q35 -soundhw pcspk -cpu host -s \
-	 -rtc base=localtime -m $(ram) -hda $(installdisk) -net nic,model=rtl8139  \
+	@qemu-system-x86_64 -vga std -enable-kvm -machine type=q35 -cpu host -s \
+	 -rtc base=localtime -m $(ram) -hda $(installdisk) -net nic,model=rtl8139 \
+	 -audiodev pa,id=snd0 -machine pcspk-audiodev=snd0 \
 	 -d cpu_reset,guest_errors,pcall,int 2> $(BUILDDIR)/qemu.log &
 
 run: test
 
 testnokvm: all installonimage
-	@qemu-system-x86_64 -vga std -cpu $(cpu) -machine type=q35 -soundhw pcspk -s \
+	@qemu-system-x86_64 -vga std -cpu $(cpu) -machine type=q35 -s \
+	-audiodev pa,id=snd0 -machine pcspk-audiodev=snd0 \
 	 -rtc base=localtime -m $(ram) -hda $(installdisk) \
 	 -d cpu_reset,guest_errors,pcall,int 2> $(BUILDDIR)/qemu.log &
 
diff --git a/ProjectTree b/ProjectTree
index dda3944..6404d60 100644
--- a/ProjectTree
+++ b/ProjectTree
@@ -21,8 +21,7 @@
 #   You should have received a copy of the GNU General Public License          #
 #   along with OS/K.  If not, see <https://www.gnu.org/licenses/>.             #
 #=----------------------------------------------------------------------------=#
-
-
+\n
 .
 ├── boot
 │   ├── grub
@@ -43,8 +42,7 @@
 ├── build
 │   ├── create_disk.sh
 │   ├── install-os-k.sh
-│   ├── kernel.ld
-│   └── qemu.log
+│   └── kernel.ld
 ├── docs
 │   ├── boot
 │   │   ├── grub
@@ -180,4 +178,4 @@
 ├── ProjectTree
 └── README.md
 
-39 directories, 116 files
+40 directories, 115 files
diff --git a/build/install-os-k.sh b/build/install-os-k.sh
index abb4cc4..ac5443a 100755
--- a/build/install-os-k.sh
+++ b/build/install-os-k.sh
@@ -28,6 +28,8 @@ CL2='\033[1;36m'
 CL3='\033[0m'
 NC='\033[1;37m'
 
+LOSETUP=$(which losetup)
+
 set -e #exit if error
 
 echo ${CL2}[install-os-k.sh]${NC} Mount image... 		\(udisksctl\)${CL3}
@@ -39,7 +41,7 @@ sync
 if [ -z $lpblock ];
 then
 	echo Impossible to find an available loop device. Fatal error !
-	return 13
+	exit 13
 fi
 
 mountpoint=$(udisksctl info -b $lpblock | grep MountPoint | cut -d ':' -f 2 | sed 's/ //g')
@@ -52,7 +54,7 @@ fi
 if [ -z $mountpoint ];
 then
 	echo Impossible to mount the image at $lpblock. Fatal error !
-	return 13
+	exit 13
 fi
 
 echo ${CL2}[install-os-k.sh]${NC} Copying grub.cfg to $lpblock as $mountpoint
@@ -66,10 +68,10 @@ sync
 echo ${CL2}[install-os-k.sh]${NC} Unmount image... 		\(udisksctl\)${CL3}
 udisksctl unmount --no-user-interaction -b $lpblock
 
-lpblock=$(/sbin/losetup -j $1 | cut -d ':' -f 1)
+lpblock=$($LOSETUP -j $1 | cut -d ':' -f 1)
 if [ -z $lpblock ];
 then
-	return 0
+	exit 0
 fi
 
 udisksctl loop-delete -b $lpblock