diff --git a/scripts/install b/scripts/install
index 4ffd131..3ebf579 100644
--- a/scripts/install
+++ b/scripts/install
@@ -102,7 +102,7 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 ynh_script_progression --message="Installing BookStack with Composer..." --weight=5
 
 # Install composer
-ynh_install_composer --phpversion=$phpversion --workdir=$final_path --install_args="--prefer-source --no-dev"
+ynh_install_composer --phpversion=$phpversion --workdir=$final_path --install_args="--no-dev"
 
 #=================================================
 # MODIFY A CONFIG FILE