diff --git a/configs/common/modules_lmod.yaml b/configs/common/modules_lmod.yaml
index a11068661..d4c09d01a 100644
--- a/configs/common/modules_lmod.yaml
+++ b/configs/common/modules_lmod.yaml
@@ -266,6 +266,12 @@ modules:
           set:
             'UPP_INC': '{prefix}/include'
             'UPP_LIB': '{prefix}/lib/libupp.a'
+      # NOTE: This will be fixed upstream in udunits Spack package
+      # Once this is done, remove this section
+      udunits:
+        environment:
+          set:
+            'UDUNITS2_XML_PATH': '{prefix}/share/udunits/udunits2.xml'
 
       hierarchy:
       - mpi
diff --git a/configs/common/modules_tcl.yaml b/configs/common/modules_tcl.yaml
index b3fbb8ce8..2a02f2b47 100644
--- a/configs/common/modules_tcl.yaml
+++ b/configs/common/modules_tcl.yaml
@@ -285,3 +285,9 @@ modules:
           set:
             'UPP_INC': '{prefix}/include'
             'UPP_LIB': '{prefix}/lib/libupp.a'
+      # NOTE: This will be fixed upstream in udunits Spack package
+      # Once this is done, remove this section
+      udunits:
+        environment:
+          set:
+            'UDUNITS2_XML_PATH': '{prefix}/share/udunits/udunits2.xml'