diff --git a/ChangeLog b/ChangeLog
index 110e5396d..5d85dc36a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,8 @@
 2012-01-01  Holger Vogt
- * inpcom.c, main.c, compatmode.h:
+ * inpcom.c, main.c, compatmode.h, spinit.in:
    .lib handling depends on input to compatmode
+ * runcoms.c: enforce 'reset' after tran, op, etc. before next
+   simulation is started 
 
 2011-12-30  Holger Vogt
  * b4v5dest.c, b4dest.c, b3dest, b3v32.dest : memory leaks reduced
diff --git a/src/frontend/runcoms.c b/src/frontend/runcoms.c
index ae71be08f..75d8d92ef 100644
--- a/src/frontend/runcoms.c
+++ b/src/frontend/runcoms.c
@@ -46,6 +46,7 @@ char rawfileBuf[RAWBUF_SIZE];
 /*To tell resume the rawfile name saj*/
 char *last_used_rawfile = NULL;
 /*end saj */
+static bool firstrundone = FALSE;
 
 /* command "setcirc" */
 void
@@ -109,6 +110,7 @@ void
 com_pz(wordlist *wl)
 {
     dosim("pz", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -116,6 +118,7 @@ void
 com_op(wordlist *wl)
 {
     dosim("op", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -123,6 +126,7 @@ void
 com_dc(wordlist *wl)
 {
     dosim("dc", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -130,6 +134,7 @@ void
 com_ac(wordlist *wl)
 {
     dosim("ac", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -137,6 +142,7 @@ void
 com_tf(wordlist *wl)
 {
     dosim("tf", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -144,6 +150,7 @@ void
 com_tran(wordlist *wl)
 {
     dosim("tran", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -151,6 +158,7 @@ void
 com_sens(wordlist *wl)
 {
     dosim("sens", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -158,6 +166,7 @@ void
 com_disto(wordlist *wl)
 {
     dosim("disto", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -165,6 +174,7 @@ void
 com_noise(wordlist *wl)
 {
     dosim("noise", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -173,6 +183,7 @@ void
 com_pss(wordlist *wl)
 {
     dosim("pss", wl);
+    firstrundone = TRUE;
     return;
 }
 /* SP */
@@ -195,6 +206,8 @@ dosim(
    /* set file type to binary or to what is given by environmental 
       variable SPICE_ASCIIRAWFILE in ivars.c */
    bool ascii = AsciiRawFile;
+   if (firstrundone)
+        com_rset(NULL);
    if (eq(what, "run") && wl)
       dofile = TRUE;
    /* add "what" to beginning of wordlist wl, except "what" equals "run" 
@@ -372,6 +385,7 @@ com_run(wordlist *wl)
 {
 /*    ft_getsaves(); */
     dosim("run", wl);
+    firstrundone = TRUE;
     return;
 }
 
@@ -382,9 +396,10 @@ ft_dorun(char *file)
 
     wl.wl_word = file;
     if (file)
-      return dosim("run", &wl);
-    else
-      return dosim("run", NULL);
+        return dosim("run", &wl);
+    else {
+        return dosim("run", NULL);
+    }
 }
 
 /* ARGSUSED */ /* until the else clause gets put back */