diff --git a/datm/cime_config/stream_definition_datm.xml b/datm/cime_config/stream_definition_datm.xml
index 890f1a3b..ced657e8 100644
--- a/datm/cime_config/stream_definition_datm.xml
+++ b/datm/cime_config/stream_definition_datm.xml
@@ -365,7 +365,7 @@
       <meshfile>none</meshfile>
     </stream_meshfile>
     <stream_datafiles>
-      <file first_year="$DATM_YR_START" last_year="$DATM_YR_END">$DIN_LOC_ROOT/atm/datm7/CLM1PT_data/PLUMBER2/${PLUMBER2SITE}/CLM1PT_data/CTSM_DATM_${PLUMBER2SITE}_${DATM_YR_START_FILENAME}-${DATM_YR_END_FILENAME}.nc</file>
+      <file first_year="$DATM_YR_START" last_year="$DATM_YR_END">$DIN_LOC_ROOT/atm/datm7/CLM1PT_data/PLUMBER2.c20260729/${PLUMBER2SITE}/CLM1PT_data/CTSM_DATM_${PLUMBER2SITE}_${DATM_YR_START_FILENAME}-${DATM_YR_END_FILENAME}.nc</file>
     </stream_datafiles>
     <stream_datavars>
       <var>ZBOT   Sa_z</var>