diff --git a/tests/inventory.sh b/tests/inventory.sh
index 16af54cfb1556a918a93885658bb4f9790d368b3..b2696674f9bd8eb8765f5296a794e0e59a8710c9 100755
--- a/tests/inventory.sh
+++ b/tests/inventory.sh
@@ -5,6 +5,21 @@
 
 # TODO: Create whitelist (some parts from DigiKey are not electronics parts)
 
+# The location of the library can change. Supply it from outside.
+if [[ ! ${1} ]]; then
+  echo "Please specify KiCad library file."
+  echo "Usage: ./inventory.sh ../fab.kicad_sym"
+  exit 1
+fi
+
+# Check if file exists
+if [[ ! -f ${1} ]]; then
+  echo "Library file does not exist."
+  echo "Make sure the path to the library file is correct."
+  exit 1
+fi
+
+LIBRARY_FILE=${1}
 INVENTORY_URL="http://inventory.fabcloud.io/data/inv.json"
 SOURCE="Digi-Key"
 
@@ -19,7 +34,7 @@ ERRORS=0
 echo "This script looks for parts that are not in the KiCad fab library yet. In order to add parts, make sure that the manufacturer number of the part is added to the keywords section of the library symbol."
 
 # Read keywords from all KiCad fab library symbols
-KEYWORD_LINES=$(cat ../fab.kicad_sym | grep --extended-regexp --only-matching -U 'property "ki_keywords" "([^"]*)"')
+KEYWORD_LINES=$(cat ${LIBRARY_FILE} | grep --extended-regexp --only-matching -U 'property "ki_keywords" "([^"]*)"')
 KEYWORDS=""
 IFS=$'\n'
 for LINE in ${KEYWORD_LINES}; do