diff --git a/scripts/install b/scripts/install
index f15501a..0177888 100755
--- a/scripts/install
+++ b/scripts/install
@@ -113,10 +113,14 @@ sudo mv "$final_path/regex.py" /opt/yunohost/$app/lib/python*/site-packages/radi
 sudo rm /opt/yunohost/$app/lib/python*/site-packages/radicale/rights/regex.pyc
 if [ "$infcloud" = "1" ]
 then	#Instal InfCloud
+	# Télécharge la source
+	wget -nv --show-progress -i ../sources/source_url -O infcloud.zip
+	# Vérifie la somme de contrôle de la source téléchargée.
+	md5sum -c ../sources/source_md5 --status || (echo "Corrupt source" && false)
 	# Décompresse la source
-	tar -x -f ../sources/infcloud.tar.gz
+	unzip -q infcloud.zip
 	# Copie les fichiers sources
-	sudo cp -a infcloud "$final_path/"
+	sudo cp -a $(cat ../sources/source_dir)/. "$final_path"
 	# Copie les fichiers additionnels ou modifiés.
 	sudo cp -a ../sources/ajouts_infcloud/. "$final_path/infcloud/"
 fi
diff --git a/scripts/upgrade b/scripts/upgrade
index a903e02..be76822 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -46,10 +46,14 @@ sudo mv "$final_path/regex.py" /opt/yunohost/$app/lib/python*/site-packages/radi
 sudo rm /opt/yunohost/$app/lib/python*/site-packages/radicale/rights/regex.pyc
 if [ "$infcloud" = "1" ]
 then	#Instal InfCloud
+	# Télécharge la source
+	wget -nv --show-progress -i ../sources/source_url -O infcloud.zip
+	# Vérifie la somme de contrôle de la source téléchargée.
+	md5sum -c ../sources/source_md5 --status || (echo "Corrupt source" && false)
 	# Décompresse la source
-	tar -x -f ../sources/infcloud.tar.gz
+	unzip -q infcloud.zip
 	# Copie les fichiers sources
-	sudo cp -a infcloud "$final_path/"
+	sudo cp -a $(cat ../sources/source_dir)/. "$final_path"
 	# Copie les fichiers additionnels ou modifiés.
 	sudo cp -a ../sources/ajouts/. "$final_path/infcloud/"
 fi
diff --git a/sources/infcloud.tar.gz b/sources/infcloud.tar.gz
deleted file mode 100644
index c4b951f..0000000
Binary files a/sources/infcloud.tar.gz and /dev/null differ
diff --git a/sources/source_dir b/sources/source_dir
new file mode 100644
index 0000000..de0ff39
--- /dev/null
+++ b/sources/source_dir
@@ -0,0 +1 @@
+infcloud
\ No newline at end of file
diff --git a/sources/source_md5 b/sources/source_md5
new file mode 100644
index 0000000..908ca79
--- /dev/null
+++ b/sources/source_md5
@@ -0,0 +1 @@
+6ffb1b3b9b7f54137723c6c13e9c5635  infcloud.zip
\ No newline at end of file
diff --git a/sources/source_url b/sources/source_url
new file mode 100644
index 0000000..5f1271b
--- /dev/null
+++ b/sources/source_url
@@ -0,0 +1 @@
+https://www.inf-it.com/InfCloud_0.13.1.zip
\ No newline at end of file
diff --git a/sources/version_0.13.1 b/sources/version_0.13.1
deleted file mode 100644
index 8d1c8b6..0000000
--- a/sources/version_0.13.1
+++ /dev/null
@@ -1 +0,0 @@
-