diff --git a/config/datatypes_conf.xml.sample b/config/datatypes_conf.xml.sample
index 192c8cf8c8e..00d42d552b9 100644
--- a/config/datatypes_conf.xml.sample
+++ b/config/datatypes_conf.xml.sample
@@ -456,6 +456,7 @@
     <sniffer type="galaxy.datatypes.proteomics:TraML"/>
     <sniffer type="galaxy.datatypes.proteomics:MzIdentML"/>
     <sniffer type="galaxy.datatypes.proteomics:MzQuantML"/>
+    <sniffer type="galaxy.datatypes.proteomics:UniProtXML"/>
     <sniffer type="galaxy.datatypes.proteomics:Msp"/>
     <sniffer type="galaxy.datatypes.proteomics:SPLib"/>
     <sniffer type="galaxy.datatypes.proteomics:ThermoRAW"/>