diff --git a/dib/build.sh b/dib/build.sh
index 366374b..58f4842 100755
--- a/dib/build.sh
+++ b/dib/build.sh
@@ -2,7 +2,7 @@
 
 #The path for location of ironic-python-agent-ramdisk in ironic-python-image-builder
 #is set using environment variable.
-export ELEMENTS_PATH=${ELEMENTS_PATH:-`.`}
+export ELEMENTS_PATH=${ELEMENTS_PATH:-.}
 
 #The command to build image using disk-image-builder.
 #Run the command to build the image giving the argument(OS name)