diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/profile.bashrc b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/profile.bashrc
index a218a52beb..99d382e571 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/profile.bashrc
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/profile.bashrc
@@ -23,7 +23,7 @@ cros_pre_pkg_preinst_wrap_old_config_scripts() {
 			continue
 		fi
 		# Skip anything that isn't a script, e.g. pkg-config
-		if ! head -n1 | egrep -q '^#!\s*/bin/(ba)?sh'; then
+		if ! head -n1 "${D}/usr/bin/${w}" | egrep -q '^#!\s*/bin/(ba)?sh'; then
 			continue
 		fi
 		w="${wdir}/${CHOST}-${w}"