--- tex/latex/exsheets/exsheets.sty	2019-02-17 13:25:42.000000000 +0100
+++ tex/latex/exsheets/exsheets.sty	2019-02-20 11:52:19.972534139 +0100
@@ -2760,7 +2760,7 @@
       }
   }
   
-\cs_new_protected:Npn \__exsheets_blank_skip:N #1
+\cs_new_protected:Npn \__exsheets_blank_skip:n #1
   {
     \bool_if:NTF \l__exsheets_blank_width_bool
       { \dim_set:Nn \l__exsheets_tmpa_dim {#1} }
@@ -2791,7 +2791,7 @@
       }
       { \exsheets_write_blank:n { \skip_horizontal:N \l__exsheets_tmpa_dim } }
   }
-\cs_generate_variant:Nn \__exsheets_blank_skip:N { n }
+\cs_generate_variant:Nn \__exsheets_blank_skip:n { n, V }
 
 % the following code from Heiko Oberdieck in d.c.t.t served as inspiration
 % and basis for the \blank command: