diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index 838c5d641..4540d08bc 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -2646,12 +2646,10 @@ static void get_subckts_for_subckt(struct card *start_card, char *subckt_name,
                 char *inst_subckt_name = get_instance_subckt(line);
                 nlist_adjoin(used_subckts, inst_subckt_name);
             }
-#ifndef OSDI
             else if (*line == 'a') {
                 char *model_name = get_adevice_model_name( line, card->level);
                 nlist_adjoin(used_models, model_name);
             }
-#endif // !OSDI
             else if (has_models) {
                 int num_terminals = get_number_terminals(line);
                 if (num_terminals != 0) {
@@ -2734,12 +2732,10 @@ void comment_out_unused_subckt_models(struct card *start_card)
                 char *subckt_name = get_instance_subckt(line);
                 nlist_adjoin(used_subckts, subckt_name);
             }
-#ifndef OSDI
             else if (*line == 'a') {
                 char *model_name = get_adevice_model_name(line, card->level);
                 nlist_adjoin(used_models, model_name);
             }
-#endif // !OSDI
             else if (has_models) {
                 /* This is a preliminary version, until we have found a
                    reliable method to detect the model name out of the input
@@ -4730,7 +4726,7 @@ int get_number_terminals(char *c)
             break;
         }
 #ifdef OSDI
-        case 'a': /* Recognize an unknown number of nodes by stopping at tokens with '=' */
+        case 'n': /* Recognize an unknown number of nodes by stopping at tokens with '=' */
         {
             i = 0;
             char* cc, * ccfree;
diff --git a/src/frontend/subckt.c b/src/frontend/subckt.c
index 8f7f58f0a..b04ad01de 100644
--- a/src/frontend/subckt.c
+++ b/src/frontend/subckt.c
@@ -1438,10 +1438,8 @@ translate(struct card *deck, char *formal, char *actual, char *scname, const cha
             /* FIXME anothet hack: if no models found for m devices, set number of nodes to 4 */
             if (!modnames && *(c->line) == 'm')
                 nnodes = get_number_terminals(c->line);
-#ifdef OSDI
-            else if (*(c->line) == 'a')
+            else if (*(c->line) == 'n')
                 nnodes = get_number_terminals(c->line);
-#endif
             else
                 nnodes = numnodes(c->line, subs, modnames);
             while (--nnodes >= 0) {
@@ -1693,7 +1691,7 @@ numnodes(const char *line, struct subs *subs, wordlist const *modnames)
 
     /* If model names equal node names, this code will fail! */
 #ifdef OSDI
-    if ((c == 'a') ||(c == 'm') || (c == 'p') || (c == 'q') || (c == 'd')) { /* IF this is a mos, cpl, bjt or diode */
+    if ((c == 'n') ||(c == 'm') || (c == 'p') || (c == 'q') || (c == 'd')) { /* IF this is a mos, cpl, bjt or diode */
 #else
     if ((c == 'm') || (c == 'p') || (c == 'q') || (c == 'd')) { /* IF this is a mos, cpl, bjt or diode */
 #endif
@@ -2268,7 +2266,7 @@ inp_numnodes(char c)
     case 'z':
         return (3);
 #ifdef OSDI
-    case 'a':
+    case 'n':
         return (7);
 #endif
 
diff --git a/test_cases/test-psp103/psp_inverter.sp b/test_cases/test-psp103/psp_inverter.sp
index 6eef89a6b..4c413388c 100644
--- a/test_cases/test-psp103/psp_inverter.sp
+++ b/test_cases/test-psp103/psp_inverter.sp
@@ -18,7 +18,7 @@ Xnot1 in vdd vss out not1
 
 .subckt not1 a vdd vss z
 *m01   z a     vdd     vdd pch  l=0.1u  w=1u  as=0.26235  ad=0.26235  ps=2.51   pd=2.51
-amp1  z a     vdd     vdd pch
+nmp1  z a     vdd     vdd pch
 +l=0.1u
 +w=1u
 +sa=0.0e+00
@@ -32,7 +32,7 @@ amp1  z a     vdd     vdd pch
 +mult=1.0e+00
 
 *m02   z a     vss     vss nch  l=0.1u  w=0.5u as=0.131175 ad=0.131175 ps=1.52   pd=1.52
-amn1  z a     vss     vss nch
+nmn1  z a     vss     vss nch
 +l=0.1u
 +w=1u
 +sa=0.0e+00