diff --git a/lib/data.c b/lib/data.c
index 9c508fb3..dadbafe8 100644
--- a/lib/data.c
+++ b/lib/data.c
@@ -153,6 +153,10 @@ DONE2:
     if (part2)
       *(part2-1) = '-';
     *(part3-1) = '-';
+  } else if(part3 && part4) {
+    res->bus = SENSORS_CHIP_NAME_BUS_DUMMY;
+    if (! (res->busname = strdup(part3)))
+      sensors_fatal_error("sensors_parse_chip_name","Allocating new busname");
   } else
     goto ERROR;
     
@@ -179,8 +183,10 @@ int sensors_parse_i2cbus_name(const char *name, int *res)
     *res = SENSORS_CHIP_NAME_BUS_ISA;
     return 0;
   }
-  if (strncmp(name,"i2c-",4)) 
-    return -1;
+  if (strncmp(name,"i2c-",4)) {
+    *res = SENSORS_CHIP_NAME_BUS_DUMMY;
+    return 0;
+  }
   name += 4;
   if ((strlen(name) > 3) || (strlen(name) == 0))
     return -SENSORS_ERR_BUS_NAME;
@@ -239,6 +245,7 @@ int sensors_substitute_busses(void)
     chips = &sensors_config_chips[i].chips;
     for(j = 0; j < chips->fits_count; j++)
       if ((chips->fits[j].bus != SENSORS_CHIP_NAME_BUS_ISA) &&
+          (chips->fits[j].bus != SENSORS_CHIP_NAME_BUS_DUMMY) &&
           (chips->fits[j].bus != SENSORS_CHIP_NAME_BUS_ANY) &&
           (chips->fits[j].bus != SENSORS_CHIP_NAME_BUS_ANY_I2C))
         if ((err = sensors_substitute_chip(chips->fits+j, lineno)))