diff --git a/scripts/constituents.py b/scripts/constituents.py
index 4fc78993..84f19b20 100644
--- a/scripts/constituents.py
+++ b/scripts/constituents.py
@@ -544,7 +544,7 @@ def write_host_routines(cap, host, reg_funcname, init_funcname, num_const_funcna
                 cap.write(f"do index = 1, size(dyn_const_prop_{idx}, 1)", 2)
                 cap.write(f"{dyn_const_name}(index + index_start) = dyn_const_prop_{idx}(index)", 3)
                 cap.write("end do", 2)
-                cap.write(f"index_start = size(dyn_const_prop_{idx}, 1)", 2)
+                cap.write(f"index_start = index_start + size(dyn_const_prop_{idx}, 1)", 2)
                 cap.write(f"deallocate(dyn_const_prop_{idx})", 2)
             # end for
         # end if