diff --git a/cron-jobs/ftpdir-cleanup b/cron-jobs/ftpdir-cleanup
index 828fa58..62a2903 100755
--- a/cron-jobs/ftpdir-cleanup
+++ b/cron-jobs/ftpdir-cleanup
@@ -50,7 +50,7 @@ for repo in "${PKGREPOS[@]}"; do
 		if (( ${#missing_pkgs[@]} >= 1 )); then
 			error "Missing packages in [%s] (%s)..." "$repo" "$arch"
 			for missing_pkg in "${missing_pkgs[@]}"; do
-				msg2 "${missing_pkg}"
+				msg2 '%s' "${missing_pkg}"
 			done
 		fi
 
@@ -58,7 +58,7 @@ for repo in "${PKGREPOS[@]}"; do
 		if (( ${#old_pkgs[@]} >= 1 )); then
 			msg "Removing old packages from [%s] (%s)..." "$repo" "$arch"
 			for old_pkg in "${old_pkgs[@]}"; do
-				msg2 "${old_pkg}"
+				msg2 '%s' "${old_pkg}"
 				clean_pkg "${FTP_BASE}/${repo}/os/${arch}/${old_pkg}"
 			done
 		fi
@@ -76,7 +76,7 @@ old_pkgs=($(comm -23 "${WORKDIR}/pool" "${WORKDIR}/db"))
 if (( ${#old_pkgs[@]} >= 1 )); then
 	msg "Removing old packages from package pool..."
 	for old_pkg in "${old_pkgs[@]}"; do
-		msg2 "${old_pkg}"
+		msg2 '%s' "${old_pkg}"
 		clean_pkg "$FTP_BASE/${PKGPOOL}/${old_pkg}"
 	done
 fi
@@ -91,7 +91,7 @@ done
 if (( ${#old_pkgs[@]} >= 1 )); then
 	msg "Removing old packages from the cleanup directory..."
 	for old_pkg in "${old_pkgs[@]}"; do
-		msg2 "${old_pkg}"
+		msg2 '%s' "${old_pkg}"
 		if ! "${CLEANUP_DRYRUN}"; then
 			rm -f "${CLEANUP_DESTDIR}/${old_pkg}"
 			rm -f "${CLEANUP_DESTDIR}/${old_pkg}.sig"
diff --git a/cron-jobs/integrity-check b/cron-jobs/integrity-check
index a12d311..17153c7 100755
--- a/cron-jobs/integrity-check
+++ b/cron-jobs/integrity-check
@@ -8,7 +8,7 @@ dirname="$(dirname "$0")"
 script_lock
 
 if (( $# != 1 )); then
-	die "usage: ${0##*/} <mailto>"
+	die "usage: %s <mailto>" "${0##*/}"
 fi
 mailto=$1
 
diff --git a/cron-jobs/sourceballs b/cron-jobs/sourceballs
index 01d21d8..874a912 100755
--- a/cron-jobs/sourceballs
+++ b/cron-jobs/sourceballs
@@ -109,13 +109,13 @@ for repo in "${PKGREPOS[@]}"; do
 	if [ ${#newpkgs[@]} -ge 1 ]; then
 		msg "Adding source packages for [%s]..." "$repo"
 		for new_pkg in "${newpkgs[@]}"; do
-			msg2 "${new_pkg}"
+			msg2 '%s' "${new_pkg}"
 		done
 	fi
 	if [ ${#failedpkgs[@]} -ge 1 ]; then
 		msg "Failed to create source packages for [%s]..." "$repo"
 		for failed_pkg in "${failedpkgs[@]}"; do
-			msg2 "${failed_pkg}"
+			msg2 '%s' "${failed_pkg}"
 		done
 	fi
 done
@@ -129,7 +129,7 @@ if (( ${#old_pkgs[@]} >= 1 )); then
 	msg "Removing old source packages..."
 	"${SOURCE_CLEANUP_DRYRUN}" && warning 'dry run mode is active'
 	for old_pkg in "${old_pkgs[@]}"; do
-		msg2 "${old_pkg}"
+		msg2 '%s' "${old_pkg}"
 		if ! "${SOURCE_CLEANUP_DRYRUN}"; then
 			mv_acl "$FTP_BASE/${SRCPOOL}/${old_pkg}" "${SOURCE_CLEANUP_DESTDIR}/${old_pkg}"
 			touch "${SOURCE_CLEANUP_DESTDIR}/${old_pkg}"
@@ -148,7 +148,7 @@ done
 if (( ${#old_pkgs[@]} >= 1 )); then
 	msg "Removing old source packages from the cleanup directory..."
 	for old_pkg in "${old_pkgs[@]}"; do
-		msg2 "${old_pkg}"
+		msg2 '%s' "${old_pkg}"
 		"${SOURCE_CLEANUP_DRYRUN}" || rm -f "${SOURCE_CLEANUP_DESTDIR}/${old_pkg}"
 	done
 fi
diff --git a/db-functions b/db-functions
index 59b4152..2703e80 100644
--- a/db-functions
+++ b/db-functions
@@ -273,7 +273,7 @@ getpkgfile() {
 		error "Package %s not found!" "$1"
 		exit 1
 	elif [[ ! -f ${1}.sig ]]; then
-		error "Package signature %s.sig not found!" "$1"
+		error "Package signature %s not found!" "$1.sig"
 		exit 1
 	fi
 
@@ -448,7 +448,7 @@ arch_repo_add() {
 	# package files might be relative to repo dir
 	pushd "${FTP_BASE}/${repo}/os/${arch}" >/dev/null
 	/usr/bin/repo-add -q "${repo}${DBEXT}" "${pkgs[@]}" \
-		|| error "repo-add ${repo}${DBEXT} ${pkgs[*]}"
+		|| error '%s' "repo-add ${repo}${DBEXT} ${pkgs[*]}"
 	popd >/dev/null
 	set_repo_permission "${repo}" "${arch}"
 
@@ -466,7 +466,7 @@ arch_repo_remove() {
 		return 1
 	fi
 	/usr/bin/repo-remove -q "${dbfile}" "${pkgs[@]}" \
-		|| error "repo-remove ${dbfile} ${pkgs[*]}"
+		|| error '%s' "repo-remove ${dbfile} ${pkgs[*]}"
 	set_repo_permission "${repo}" "${arch}"
 
 	REPO_MODIFIED=1
diff --git a/db-move b/db-move
index c413dc9..ab05d57 100755
--- a/db-move
+++ b/db-move
@@ -4,7 +4,7 @@
 . "$(dirname "$0")/db-functions"
 
 if (( $# < 3 )); then
-	msg "usage: ${0##*/} <repo-from> <repo-to> <pkgname|pkgbase> ..."
+	msg "usage: %s <repo-from> <repo-to> <pkgname|pkgbase> ..." "${0##*/}"
 	exit 1
 fi
 
@@ -74,7 +74,7 @@ for pkgbase in "${args[@]:2}"; do
 			else
 				tarches=("${pkgarch}")
 			fi
-			msg2 "${pkgbase} (${tarches[*]})"
+			msg2 "%s (%s)" "${pkgbase}" "${tarches[*]}"
 			pkgnames=($(. "${svnrepo_from}/PKGBUILD"; echo "${pkgname[@]}"))
 			pkgver=$(. "${svnrepo_from}/PKGBUILD"; get_full_version)
 
diff --git a/db-remove b/db-remove
index 2ab878c..bf19d6a 100755
--- a/db-remove
+++ b/db-remove
@@ -4,7 +4,7 @@
 . "$(dirname "$0")/db-functions"
 
 if (( $# < 3 )); then
-	msg "usage: ${0##*/} <repo> <arch> <pkgname|pkgbase> ..."
+	msg "usage: %s <repo> <arch> <pkgname|pkgbase> ..." "${0##*/}"
 	exit 1
 fi
 
diff --git a/db-repo-add b/db-repo-add
index 04216ee..7e68221 100755
--- a/db-repo-add
+++ b/db-repo-add
@@ -4,7 +4,7 @@
 . "$(dirname "$0")/db-functions"
 
 if (( $# < 3 )); then
-	msg "usage: ${0##*/} <repo> <arch> <pkgfile> ..."
+	msg "usage: %s <repo> <arch> <pkgfile> ..." "${0##*/}"
 	exit 1
 fi
 
diff --git a/db-repo-remove b/db-repo-remove
index b44d33c..87f01f8 100755
--- a/db-repo-remove
+++ b/db-repo-remove
@@ -4,7 +4,7 @@
 . "$(dirname "$0")/db-functions"
 
 if (( $# < 3 )); then
-	msg "usage: ${0##*/} <repo> <arch> <pkgname> ..."
+	msg "usage: %s <repo> <arch> <pkgname> ..." "${0##*/}"
 	exit 1
 fi
 
diff --git a/db-update b/db-update
index 5df477c..2898b1c 100755
--- a/db-update
+++ b/db-update
@@ -78,7 +78,7 @@ for repo in "${repos[@]}"; do
 		arch_pkgs=($(getpkgfiles "${STAGING}/${repo}/"*-"${pkgarch}"${PKGEXTS} 2>/dev/null))
 		for pkg in "${arch_pkgs[@]}" "${any_pkgs[@]}"; do
 			pkgfile="${pkg##*/}"
-			msg2 "${pkgfile} (${pkgarch})"
+			msg2 "%s (%s)" "${pkgfile}" "${pkgarch}"
 			# any packages might have been moved by the previous run
 			if [[ -f ${pkg} ]]; then
 				mv "${pkg}" "$FTP_BASE/${PKGPOOL}"
diff --git a/testing2x b/testing2x
index 2b1de17..606c003 100755
--- a/testing2x
+++ b/testing2x
@@ -4,7 +4,7 @@
 . "$(dirname "$0")/db-functions"
 
 if (( $# < 1 )); then
-	msg "usage: ${0##*/} <pkgname|pkgbase> ..."
+	msg "usage: %s <pkgname|pkgbase> ..." "${0##*/}"
 	exit 1
 fi