diff --git a/retroshare.pri b/retroshare.pri
index 1e237f97c..5f54fd123 100644
--- a/retroshare.pri
+++ b/retroshare.pri
@@ -340,6 +340,12 @@ rs_chatserver {
 
 rs_deep_search {
     DEFINES *= RS_DEEP_SEARCH
+
+	linux {
+	 exists("/usr/include/xapian-1.3") {
+	 	INCLUDEPATH += /usr/include/xapian-1.3
+	 }
+	}
 }
 
 debug {