--- a/src/ops.c
+++ b/src/ops.c
@@ -1143,6 +1143,8 @@ stuff_yank(regname, p)
     return OK;
 }
 
+static int execreg_lastc = NUL;
+
 /*
  * execute a yank register: copy it into the stuff buffer
  *
@@ -1155,7 +1157,6 @@ do_execreg(regname, colon, addcr, silent
     int	    addcr;		/* always add '\n' to end of line */
     int	    silent;		/* set "silent" flag in typeahead buffer */
 {
-    static int	lastc = NUL;
     long	i;
     char_u	*p;
     int		retval = OK;
@@ -1163,12 +1164,12 @@ do_execreg(regname, colon, addcr, silent
 
     if (regname == '@')			/* repeat previous one */
     {
-	if (lastc == NUL)
+	if (execreg_lastc == NUL)
 	{
 	    EMSG(_("E748: No previously used register"));
 	    return FAIL;
 	}
-	regname = lastc;
+	regname = execreg_lastc;
     }
 					/* check for valid regname */
     if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE))
@@ -1176,7 +1177,7 @@ do_execreg(regname, colon, addcr, silent
 	emsg_invreg(regname);
 	return FAIL;
     }
-    lastc = regname;
+    execreg_lastc = regname;
 
 #ifdef FEAT_CLIPBOARD
     regname = may_get_selection(regname);
@@ -5337,11 +5338,14 @@ read_viminfo_register(virp, force)
 
     /* We only get here (hopefully) if line[0] == '"' */
     str = virp->vir_line + 1;
+
+    /* If the line starts with "" this is the y_previous register. */
     if (*str == '"')
     {
 	set_prev = TRUE;
 	str++;
     }
+
     if (!ASCII_ISALNUM(*str) && *str != '-')
     {
 	if (viminfo_error("E577: ", _("Illegal register name"), virp->vir_line))
@@ -5351,6 +5355,14 @@ read_viminfo_register(virp, force)
     get_yank_register(*str++, FALSE);
     if (!force && y_current->y_array != NULL)
 	do_it = FALSE;
+
+    if (*str == '@')
+    {
+	/* "x@: register x used for @@ */
+	if (force || execreg_lastc == NUL)
+	    execreg_lastc = str[-1];
+    }
+
     size = 0;
     limit = 100;	/* Optimized for registers containing <= 100 lines */
     if (do_it)
@@ -5360,7 +5372,7 @@ read_viminfo_register(virp, force)
 	vim_free(y_current->y_array);
 	array = y_current->y_array =
 		       (char_u **)alloc((unsigned)(limit * sizeof(char_u *)));
-	str = skipwhite(str);
+	str = skipwhite(skiptowhite(str));
 	if (STRNCMP(str, "CHAR", 4) == 0)
 	    y_current->y_type = MCHAR;
 #ifdef FEAT_VISUAL
@@ -5443,6 +5455,7 @@ write_viminfo_registers(fp)
     max_kbyte = get_viminfo_parameter('s');
     if (max_kbyte == 0)
 	return;
+
     for (i = 0; i < NUM_REGISTERS; i++)
     {
 	if (y_regs[i].y_array == NULL)
@@ -5497,7 +5510,10 @@ write_viminfo_registers(fp)
 	if (y_previous == &y_regs[i])
 	    fprintf(fp, "\"");
 	c = get_register_name(i);
-	fprintf(fp, "\"%c\t%s\t%d\n", c, type,
+	fprintf(fp, "\"%c", c);
+	if (c == execreg_lastc)
+	    fprintf(fp, "@");
+	fprintf(fp, "\t%s\t%d\n", type,
 #ifdef FEAT_VISUAL
 		    (int)y_regs[i].y_width
 #else

--- a/src/version.c
+++ b/src/version.c
@@ -677,6 +677,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    190,
+/**/
     189,
 /**/
     188,