Index: plug-ins/common/lcms.c
===================================================================
--- plug-ins/common/lcms.c	(revision 22830)
+++ plug-ins/common/lcms.c	(working copy)
@@ -73,6 +73,11 @@
 } Procedure;
 
 
+static const char *srgb_well_known_descriptions[] =
+  {
+    "sRGB IEC61966-2.1"
+  };
+
 static void  query (void);
 static void  run   (const gchar      *name,
                     gint              nparams,
@@ -488,6 +493,21 @@
   if (! src_profile && ! dest_profile)
     return GIMP_PDB_SUCCESS;
 
+  if (! dest_profile)
+    {
+      gchar *src = lcms_icc_profile_get_desc (src_profile);
+      int i;
+
+      for (i = 0; i < G_N_ELEMENTS (srgb_well_known_descriptions); i++)
+        if (g_ascii_strcasecmp (src, srgb_well_known_descriptions[i]) == 0)
+          {
+            g_free (src);
+            cmsCloseProfile (src_profile);
+            return GIMP_PDB_SUCCESS;
+          }
+      g_free (src);
+    }
+
   if (! src_profile)
     src_profile = cmsCreate_sRGBProfile ();
 
