diff --git a/CIME/data/config/cesm/config_files.xml b/CIME/data/config/cesm/config_files.xml
index 07f087549b5..e605c96dd90 100644
--- a/CIME/data/config/cesm/config_files.xml
+++ b/CIME/data/config/cesm/config_files.xml
@@ -449,6 +449,7 @@
       <value component="mpaso"     >$COMP_ROOT_DIR_OCN/cime_config/testdefs/testmods_dirs</value>
       <value component="nemo"      >$COMP_ROOT_DIR_OCN/cime_config/testdefs/testmods_dirs</value>
       <value component="blom"      >$COMP_ROOT_DIR_OCN/cime_config/testdefs/testmods_dirs</value>
+      <value component="ww3"       >$COMP_ROOT_DIR_WAV/cime_config/testdefs/testmods_dirs</value>
       <value component="datm"  >$SRCROOT/components/cdeps/datm/cime_config/testdefs/testmods_dirs</value>
       <value component="dice"  >$SRCROOT/components/cdeps/dice/cime_config/testdefs/testmods_dirs</value>
       <value component="dlnd"  >$SRCROOT/components/cdeps/dlnd/cime_config/testdefs/testmods_dirs</value>
@@ -483,6 +484,7 @@
       <value component="nemo"     >$COMP_ROOT_DIR_OCN/cime_config/usermods_dirs</value>
       <value component="mpaso"    >$COMP_ROOT_DIR_OCN/cime_config/usermods_dirs</value>
       <value component="blom"     >$COMP_ROOT_DIR_OCN/cime_config/usermods_dirs</value>
+      <value component="ww3"      >$COMP_ROOT_DIR_WAV/cime_config/usermods_dirs</value>
     </values>
     <group>case_last</group>
     <file>env_case.xml</file>