diff --git a/src/freedombone-utils-filesystem b/src/freedombone-utils-filesystem
index 61837f07..30fe7958 100755
--- a/src/freedombone-utils-filesystem
+++ b/src/freedombone-utils-filesystem
@@ -32,63 +32,63 @@ TOMB_REPO="https://github.com/dyne/Tomb"
 TOMB_COMMIT='c80ebd6d6ed77980eb5b559757e03ea13a29bdd1'
 
 function mesh_install_tomb {
-	chroot ${rootdir} apt-get -y install cryptsetup zsh pinentry-curses
+    chroot ${rootdir} apt-get -y install cryptsetup zsh pinentry-curses
 
-	if [ ! -d ${rootdir}/$INSTALL_DIR ]; then
-		mkdir -p ${rootdir}/$INSTALL_DIR
-	fi
+    if [ ! -d ${rootdir}/$INSTALL_DIR ]; then
+        mkdir -p ${rootdir}/$INSTALL_DIR
+    fi
 
-	git_clone $TOMB_REPO ${rootdir}/$INSTALL_DIR/tomb
-	cd ${rootdir}/$INSTALL_DIR/tomb
+    git_clone $TOMB_REPO ${rootdir}/$INSTALL_DIR/tomb
+    cd ${rootdir}/$INSTALL_DIR/tomb
 
-	git checkout $TOMB_COMMIT -b $TOMB_COMMIT
+    git checkout $TOMB_COMMIT -b $TOMB_COMMIT
 
-	chroot ${rootdir} /bin/bash -x <<EOF
+    chroot ${rootdir} /bin/bash -x <<EOF
 cd $INSTALL_DIR/tomb
 make install
 EOF
-	if [ ! -f ${rootdir}/usr/local/bin/tomb ]; then
-		exit 93462
-	fi
+    if [ ! -f ${rootdir}/usr/local/bin/tomb ]; then
+        exit 93462
+    fi
 }
 
 function install_tomb {
-	if [ $INSTALLING_MESH ]; then
-		mesh_install_tomb
-		return
-	fi
+    if [ $INSTALLING_MESH ]; then
+        mesh_install_tomb
+        return
+    fi
 
-	function_check set_repo_commit
-	set_repo_commit $INSTALL_DIR/tomb "Tomb commit" "$TOMB_COMMIT" $TOMB_REPO
+    function_check set_repo_commit
+    set_repo_commit $INSTALL_DIR/tomb "tomb commit" "$TOMB_COMMIT" $TOMB_REPO
 
-	if [ -f $COMPLETION_FILE ]; then
-		if grep -Fxq "install_tomb" $COMPLETION_FILE; then
-			return
-		fi
-	fi
+    if [ -f $COMPLETION_FILE ]; then
+        if grep -Fxq "install_tomb" $COMPLETION_FILE; then
+            return
+        fi
+    fi
 
-	apt-get -y install cryptsetup zsh pinentry-curses
+    apt-get -y install cryptsetup zsh pinentry-curses
 
-	if [ ! -d $INSTALL_DIR ]; then
-		mkdir -p $INSTALL_DIR
-	fi
+    if [ ! -d $INSTALL_DIR ]; then
+        mkdir -p $INSTALL_DIR
+    fi
 
-	git_clone $TOMB_REPO $INSTALL_DIR/tomb
-	cd $INSTALL_DIR/tomb
+    git_clone $TOMB_REPO $INSTALL_DIR/tomb
+    cd $INSTALL_DIR/tomb
 
-	git checkout $TOMB_COMMIT -b $TOMB_COMMIT
-	if ! grep -q "Tomb commit" $COMPLETION_FILE; then
-		echo "Tomb commit:$TOMB_COMMIT" >> $COMPLETION_FILE
-	else
-		sed -i "s/Tomb commit.*/Tomb commit:$TOMB_COMMIT/g" $COMPLETION_FILE
-	fi
+    git checkout $TOMB_COMMIT -b $TOMB_COMMIT
+    if ! grep -q "tomb commit" $COMPLETION_FILE; then
+        echo "tomb commit:$TOMB_COMMIT" >> $COMPLETION_FILE
+    else
+        sed -i "s/tomb commit.*/tomb commit:$TOMB_COMMIT/g" $COMPLETION_FILE
+    fi
 
-	make install
-	if [ ! -f /usr/local/bin/tomb ]; then
-		exit 93462
-	fi
+    make install
+    if [ ! -f /usr/local/bin/tomb ]; then
+        exit 93462
+    fi
 
-	echo 'install_tomb' >> $COMPLETION_FILE
+    echo 'install_tomb' >> $COMPLETION_FILE
 }
 
 # NOTE: deliberately no exit 0