diff --git a/deploy/adsabs/server/solr/collection1/conf/schema.xml b/deploy/adsabs/server/solr/collection1/conf/schema.xml
index 66570f11c..d65f44bea 100644
--- a/deploy/adsabs/server/solr/collection1/conf/schema.xml
+++ b/deploy/adsabs/server/solr/collection1/conf/schema.xml
@@ -1531,6 +1531,19 @@
 
 		<!--
 	    @api.doc
+	    * doctype_boost
+	      Float values containing normalized (float) boost factors. These
+	      can be used with functional queries to modify ranking of results.
+	      Example:
+	        q={!func}product(product(0.5,$scaledQ),product(0.5,field('doctype_boost')))
+	        qq={!aqp}black hole
+	        fq={!query v=$qq}
+	     -->
+		<field name="doctype_boost" type="tfloat" indexed="true"
+			stored="true" omitNorms="true" omitTermFreqAndPositions="true" />
+
+		<!--
+	    @api.doc
 	    * cite_read_boost
 	      Float values containing normalized (float) boost factors. These
 	      can be used with functional queries to modify ranking of results.
diff --git a/montysolr/src/main/java/org/apache/lucene/queryparser/flexible/aqp/processors/AqpChangeRewriteMethodProcessor.java b/montysolr/src/main/java/org/apache/lucene/queryparser/flexible/aqp/processors/AqpChangeRewriteMethodProcessor.java
index 96529137c..296ff7ac6 100644
--- a/montysolr/src/main/java/org/apache/lucene/queryparser/flexible/aqp/processors/AqpChangeRewriteMethodProcessor.java
+++ b/montysolr/src/main/java/org/apache/lucene/queryparser/flexible/aqp/processors/AqpChangeRewriteMethodProcessor.java
@@ -52,7 +52,7 @@ public class AqpChangeRewriteMethodProcessor extends
 
     protected QueryNode preProcessNode(QueryNode node) throws QueryNodeException {
 
-        if (first && getConfigVal("aqp.classic_scoring.modifier", "") != "") {
+        if (first && getConfigVal("aqp.classic_scoring.modifier", "").strip() != "") {
             // TODO: i don't want to make the source field be changed with URL params
             // but i'd like it to be configurable