diff --git a/scripts/install b/scripts/install
index e405e04..f84360b 100644
--- a/scripts/install
+++ b/scripts/install
@@ -130,7 +130,7 @@ ynh_replace_string --match_string="<IsStartupWizardCompleted>false</IsStartupWiz
 
 # Lower logging verbosity
 cp "$config_path/logging.default.json" "$config_path/logging.json"
-ynh_replace_string --match_string="\"Default\": \"Information\"" --replace_string="\"Default\": \"Error\""
+ynh_replace_string --match_string="\"Default\": \"Information\"" --replace_string="\"Default\": \"Error\"" --target_file="$config_path/logging.json"
 
 ynh_store_file_checksum --file="$config_path/network.xml"
 ynh_store_file_checksum --file="$config_path/system.xml"
diff --git a/scripts/upgrade b/scripts/upgrade
index ab3b6a0..8a93dd1 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -51,7 +51,7 @@ fi
 # If logging config does not exist, lower logging verbosity
 if ! [ -e "$config_path/logging.json" ]; then
 	cp "$config_path/logging.default.json" "$config_path/logging.json"
-	ynh_replace_string --match_string="\"Default\": \"Information\"" --replace_string="\"Default\": \"Error\""
+	ynh_replace_string --match_string="\"Default\": \"Information\"" --replace_string="\"Default\": \"Error\"" --target_file="$config_path/logging.json"
 fi
 
 # Cleaning legacy permissions