diff --git a/src/libmtime_hl.f90 b/src/libmtime_hl.f90
index 0280e14de0e34b7be47aa0f27c3cf3fc3eedf31f..810f9d233b0aecc4fa2fe3f43593aa9a2fc0bc6f 100644
--- a/src/libmtime_hl.f90
+++ b/src/libmtime_hl.f90
@@ -57,7 +57,7 @@ MODULE mtime_hl
   !
   ! TODO: simply repeat the implementation of "divisionquotienttimespan" in order to disentangle the mtime_hl and the mtime Fortran modules.
   !
-  !PUBLIC :: divisionquotienttimespan
+  PUBLIC :: divisionquotienttimespan