diff --git a/build.sh b/build.sh
index 8a9b703..13f37ea 100755
--- a/build.sh
+++ b/build.sh
@@ -8,7 +8,7 @@ ADDITIONAL_ARGS=${@:2}
 INPUT_FILE=`realpath $1`
 INPUT_DIR=`dirname $INPUT_FILE`
 METADATA_FILE="$INPUT_DIR/metadata.yaml"
-OUTPUT_FILE=output.pdf
+OUTPUT_FILE=`realpath output.pdf`
 
 INPUT_FILES="$INPUT_FILE"
 
@@ -17,10 +17,10 @@ then
     INPUT_FILES="$INPUT_FILES $METADATA_FILE"
 fi
 
-PANDOC_ARGS="$INPUT_FILES --lua-filter=variables.lua --template $SCRIPTPATH/main.tex -o $OUTPUT_FILE $ADDITIONAL_ARGS"
+PANDOC_ARGS="$INPUT_FILES --lua-filter=$SCRIPTPATH/variables.lua --template $SCRIPTPATH/main.tex -o $OUTPUT_FILE $ADDITIONAL_ARGS"
 
 echo "> Building document..."
 pandoc $PANDOC_ARGS
 
 echo "> Running second pass..."
-pandoc --lua-filter=word-count.lua $PANDOC_ARGS
+pandoc --lua-filter=$SCRIPTPATH/word-count.lua $PANDOC_ARGS