diff --git a/packaging/run-nmap.sh b/packaging/run-nmap.sh
old mode 100644
new mode 100755
index 2036b18..9d979a1
--- a/packaging/run-nmap.sh
+++ b/packaging/run-nmap.sh
@@ -1,2 +1,4 @@
 #!/bin/bash
-NMAPDIR=data ./nmap $@
+SOURCE="${BASH_SOURCE[0]}"
+SCRIPT_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+NMAPDIR="$SCRIPT_DIR/data" "$SCRIPT_DIR/nmap" $@