diff --git a/build/build.sh b/build/build.sh
index d151c567..bc29c1a4 100755
--- a/build/build.sh
+++ b/build/build.sh
@@ -30,5 +30,5 @@ then
 	mkdir ../dist/
 fi
 
-./preprocess.sh $MODE ../src/paper.js '{ "browser": true, "parser": "acorn" }' ../src/constants.js ../dist/paper.js
-#./preprocess.sh $MODE ../src/paper.js '{ "server": true }' ../src/constants.js ../dist/paper-server.js 
+./preprocess.sh $MODE ../src/paper.js "-d '{ \"browser\": true }' -i '../src/constants.js'" ../dist/paper.js
+#./preprocess.sh $MODE ../src/paper.js "-d '{ \"server\": true }' -i '../src/constants.js'" ../dist/paper-server.js 
diff --git a/build/docs.sh b/build/docs.sh
index 686122c3..ac3148a6 100755
--- a/build/docs.sh
+++ b/build/docs.sh
@@ -30,5 +30,5 @@ cd ..
 if [ $MODE = "docs" ]
 then
 	# Build paper.js library for documentation
-	./preprocess.sh stripped ../src/paper.js '{ "browser": true, "parser": "acorn" }' ../src/constants.js ../dist/docs/resources/js/paper.js
+	./preprocess.sh stripped ../src/paper.js "-d '{ \"browser\": true }' -i '../src/constants.js'" ../dist/docs/resources/js/paper.js
 fi
diff --git a/build/preprocess.sh b/build/preprocess.sh
index 201fec93..9553729a 100755
--- a/build/preprocess.sh
+++ b/build/preprocess.sh
@@ -18,7 +18,7 @@
 # are preserved or stripped and whitespaces are compressed.
 #
 # Usage:
-# preprocess.sh MODE SOURCE DEFINITIONS PREPRO_INCLUDE DESTINATION
+# preprocess.sh MODE SOURCE ARGUMENTS DESTINATION
 #
 # MODE:
 #	commented		Preprocessed, still formated and commented
@@ -27,13 +27,13 @@
 VERSION=0.3
 DATE=$(git log -1 --pretty=format:%ad)
 
-COMMAND="./prepro.js -d '{ \"version\": $VERSION, \"date\": \"$DATE\" }' -d '$3' -i '$4' $2"
+COMMAND="./prepro.js -d '{ \"version\": $VERSION, \"date\": \"$DATE\", \"parser\": \"acorn\", \"svg\": true }' $3 $2"
 
 case $1 in
 	commented)
-		eval $COMMAND > $5
+		eval $COMMAND > $4
 		;;
 	stripped)
-		eval "$COMMAND -c" > $5
+		eval "$COMMAND -c" > $4
 		;;
 esac