diff --git a/share/csm_share/shr/shr_log_mod.F90 b/share/csm_share/shr/shr_log_mod.F90
index 4ff401e47801..eeb7a3c127ca 100644
--- a/share/csm_share/shr/shr_log_mod.F90
+++ b/share/csm_share/shr/shr_log_mod.F90
@@ -14,6 +14,7 @@ module shr_log_mod
 ! !USES:
 
   use shr_kind_mod
+  use shr_strconvert_mod, only: toString
 
   use shr_strconvert_mod, only: toString