diff --git a/meta-tpm2/recipes-tpm/tpm2-abrmd/tpm2-abrmd_1.3.1.bb b/meta-tpm2/recipes-tpm/tpm2-abrmd/tpm2-abrmd_1.3.1.bb
index 32d842d..6cdf373 100644
--- a/meta-tpm2/recipes-tpm/tpm2-abrmd/tpm2-abrmd_1.3.1.bb
+++ b/meta-tpm2/recipes-tpm/tpm2-abrmd/tpm2-abrmd_1.3.1.bb
@@ -5,7 +5,7 @@ DEPENDS += "libtctidevice libtctisocket libtss2"
 SRC_URI += " \
     https://github.com/tpm2-software/${BPN}/releases/download/${PV}/${BPN}-${PV}.tar.gz \
     file://tpm2-abrmd.default \
-    "
+"
 SRC_URI[md5sum] = "3f5f2461fd98aca0add1187e4705c0de"
 SRC_URI[sha256sum] = "859d777a0d2c5d78309c4a2f06879a1e914b41324ea8258920a778a1ad7e38ea"
 
diff --git a/meta-tpm2/recipes-tpm/tpm2-abrmd/tpm2-abrmd_git.bb b/meta-tpm2/recipes-tpm/tpm2-abrmd/tpm2-abrmd_git.bb
index a18a62c..22d1d45 100644
--- a/meta-tpm2/recipes-tpm/tpm2-abrmd/tpm2-abrmd_git.bb
+++ b/meta-tpm2/recipes-tpm/tpm2-abrmd/tpm2-abrmd_git.bb
@@ -17,19 +17,19 @@ SRCREV = "${AUTOREV}"
 S = "${WORKDIR}/${BPN}"
 
 do_configure_prepend () {
-	# execute the bootstrap script
-	currentdir=$(pwd)
-	cd ${S}
-	AUTORECONF=true ./bootstrap
-	cd ${currentdir}
+    # execute the bootstrap script
+    currentdir="$(pwd)"
+    cd "${S}"
+    AUTORECONF=true ./bootstrap
+    cd "${currentdir}"
 }
 
 do_install_append() {
-	install -d "${D}${sysconfdir}/init.d"
-	install -m 0755 "${WORKDIR}/tpm2-abrmd-init.sh" "${D}${sysconfdir}/init.d/tpm2-abrmd"
+    install -d "${D}${sysconfdir}/init.d"
+    install -m 0755 "${WORKDIR}/tpm2-abrmd-init.sh" "${D}${sysconfdir}/init.d/tpm2-abrmd"
 
-	install -d "${D}${sysconfdir}/default"
-	install -m 0644 "${WORKDIR}/tpm2-abrmd_git.default" "${D}${sysconfdir}/default/tpm2-abrmd"
+    install -d "${D}${sysconfdir}/default"
+    install -m 0644 "${WORKDIR}/tpm2-abrmd_git.default" "${D}${sysconfdir}/default/tpm2-abrmd"
 }
 
 RDEPENDS_${PN} += "tpm2-tss"