diff --git a/src/scripts/elua/apps/gendoc.sh b/src/scripts/elua/apps/gendoc.sh
index 73618c2125..f14fcfda6e 100755
--- a/src/scripts/elua/apps/gendoc.sh
+++ b/src/scripts/elua/apps/gendoc.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 # a parallel doc generation script
+cd "$(dirname "$(realpath "$0")")";
 
 # exit on failure
 set -e