diff --git a/bin/preproc_topics.sh b/bin/preproc_topics.sh
index 631904381b721a54887fbf5c1feb078b6b4d2cd1..59f6a7429e9196776005c4139bc5da7f6a6bca0c 100755
--- a/bin/preproc_topics.sh
+++ b/bin/preproc_topics.sh
@@ -28,7 +28,7 @@ do
     cp $f $RESEARCH_BUILD/$filename
 
     #extract title of topic
-    title=`$RESEARCH_BUILD/extract_title.sh $RESEARCH_BUILD/$filename`
+    title=`$RESEARCH_ROOT/bin/extract_title.sh $RESEARCH_BUILD/$filename`
     echo "Preprocessing topic $title"
 
     # append research topic to index
diff --git a/bin/preproc_wg.sh b/bin/preproc_wg.sh
index 125d3220fa8eb7231bf0b1d1d09d0ea2ddec9cca..c4ccd2c03912c98a3e1512e859b3d08d651e653a 100755
--- a/bin/preproc_wg.sh
+++ b/bin/preproc_wg.sh
@@ -29,7 +29,7 @@ fi
 
 #extract title of topic
 echo "Extracting title of $1..."
-title=`./extract_title.sh $RESEARCH_BUILD/$filename`
+title=`$RESEARCH_ROOT/bin/extract_title.sh $RESEARCH_BUILD/$filename`
 echo "Title of Topic: $title"
 
 # start preprocessing