diff --git a/tools/sr_mapping/bfast_wrapper.xml b/tools/sr_mapping/bfast_wrapper.xml
index 8445a2f4b52..e77b4a02546 100644
--- a/tools/sr_mapping/bfast_wrapper.xml
+++ b/tools/sr_mapping/bfast_wrapper.xml
@@ -25,7 +25,7 @@
       #end if
     #else:
       ##use precomputed indexes
-      --ref="${ refGenomeSource.indices.fields.path ) }"
+      --ref="${ refGenomeSource.indices.fields.path }"
     #end if
     
     #if $params.source_select == "full":