diff --git a/modules/archive.sh b/modules/archive.sh
index 330bcc9..aa40b1c 100755
--- a/modules/archive.sh
+++ b/modules/archive.sh
@@ -30,14 +30,10 @@ check_input() {
 	if [[ ! -e "${input_file}" ]]; then
 		echo "ERROR: Input file '${input_file}' does not exist"
 		exit 2
-	fi
-
-	if [[ -z "${archive_pwd}" ]]; then
+	elif [[ -z "${archive_pwd}" ]]; then
 		echo "ERROR: No password given"
 		exit 2
-	fi
-
-	if ! [[ "$size" =~ ^([1-9][0-9]*)?$ ]]; then
+	elif [[ ! "$size" =~ ^([1-9][0-9]*)?$ ]]; then
 		echo "Invalid size $size, must be empty or a positive number"
 		exit 2
 	fi