diff --git a/poky/meta/conf/layer.conf b/poky/meta/conf/layer.conf
index 2d9cd05..cda37c3 100644
--- a/poky/meta/conf/layer.conf
+++ b/poky/meta/conf/layer.conf
@@ -104,4 +104,4 @@
 # We need to keep bitbake tools in PATH
 # Avoid empty path entries
 BITBAKEPATH := "${@os.path.dirname(bb.utils.which(d.getVar('PATH'),'bitbake'))}"
-PATH := "${@'${BITBAKEPATH}:' if '${BITBAKEPATH}' is not '' else ''}${HOSTTOOLS_DIR}"
+PATH := "${@'${BITBAKEPATH}:' if '${BITBAKEPATH}' != '' else ''}${HOSTTOOLS_DIR}"