diff --git a/sources/equations.F90 b/sources/equations.F90
index a942423..d9a9921 100644
--- a/sources/equations.F90
+++ b/sources/equations.F90
@@ -1450,7 +1450,7 @@ module equations
 
     if (nc > 0) then
 
-      sfmt = '("Unphysical cells in block ID:",i0," (",i0," counted) ' // &
+      sfmt = '("Unphysical cells in block ID: ",i0," (",i0," counted) ' // &
                'at time step ",i0,".")'
       write(msg,sfmt) pdata%meta%id, nc, step
       call print_message(loc, msg)
@@ -1479,8 +1479,8 @@ module equations
 
               n        = n + 1
 
-              write(msg,'("n: ",i0,"[i,j,k]: ",3i0,"[x,y,z]: ",3es12.4)') &
-                                                   n, i, j, k, x(i), y(j), z(k)
+              sfmt = '("n: ",i0,", [i,j,k]: ",3(1x,i0),", [x,y,z]: ",3es12.4)'
+              write(msg,sfmt) n, i, j, k, x(i), y(j), z(k)
               call print_message(loc, msg)
 
               idx(:,n) = [ i, j, k ]