diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index 5ffad95a5..3c79011bc 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -6713,8 +6713,9 @@ inp_meas_current(struct line *deck)
 static void
 inp_add_levels(struct line *deck)
 {
-    struct line *card, *subc_start = NULL, *subc_prev = NULL;
-    int skip_control = 0, subs = 0;
+    struct line *card,  *card_prev = deck;
+    int skip_control = 0, subs = 0, i;
+    static unsigned short levelinfo[NESTINGDEPTH];
 
     for (card = deck; card; card = card->li_next) {
 
@@ -6739,15 +6740,27 @@ inp_add_levels(struct line *deck)
         if (*curr_line == '.') {
             if (ciprefix(".subckt", curr_line)) {
                 subs++;
-                subc_prev = subc_start;
-                subc_start = card;
+                levelinfo[subs - 1]++;
+                for (i = 0; i < NESTINGDEPTH; i++)
+                    card->level[i] = levelinfo[i];
+                card_prev = card;
             }
             else if (ciprefix(".ends", curr_line)) {
                 subs--;
-                subc_start = subc_prev;
+                for (i = 0; i < NESTINGDEPTH; i++)
+                    card->level[i] = card_prev->level[i];
+                card_prev = card;
             }
-            else
-                continue;
+            else {
+                for (i = 0; i < NESTINGDEPTH; i++)
+                    card->level[i] = card_prev->level[i];
+                card_prev = card;
+            }
+        }
+        else {
+            for (i = 0; i < NESTINGDEPTH; i++)
+                card->level[i] = card_prev->level[i];
+            card_prev = card;
         }
     }
 }