diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass
index 029c6e4fbe..900d97a33e 100644
--- a/meta/classes/sanity.bbclass
+++ b/meta/classes/sanity.bbclass
@@ -649,9 +649,9 @@ def check_sanity_sstate_dir_change(sstate_dir, data):
     return testmsg
        
 def check_sanity_version_change(status, d):
-    # Sanity checks to be done when SANITY_VERSION changes
+    # Sanity checks to be done when SANITY_VERSION or NATIVELSBSTRING changes
     # In other words, these tests run once in a given build directory and then 
-    # never again until the sanity version changes.
+    # never again until the sanity version or host distrubution id/version changes.
 
     # Check the python install is complete. glib-2.0-natives requries
     # xml.parsers.expat
@@ -945,6 +945,7 @@ def check_sanity(sanity_data):
     last_sanity_version = 0
     last_tmpdir = ""
     last_sstate_dir = ""
+    last_nativelsbstr = ""
     sanityverfile = sanity_data.expand("${TOPDIR}/conf/sanity_info")
     if os.path.exists(sanityverfile):
         with open(sanityverfile, 'r') as f:
@@ -955,12 +956,17 @@ def check_sanity(sanity_data):
                     last_tmpdir = line.split()[1]
                 if line.startswith('SSTATE_DIR'):
                     last_sstate_dir = line.split()[1]
+                if line.startswith('NATIVELSBSTRING'):
+                    last_nativelsbstr = line.split()[1]
 
     check_sanity_everybuild(status, sanity_data)
     
     sanity_version = int(sanity_data.getVar('SANITY_VERSION', True) or 1)
     network_error = False
-    if last_sanity_version < sanity_version: 
+    # NATIVELSBSTRING var may have been overridden with "universal", so
+    # get actual host distribution id and version
+    nativelsbstr = lsb_distro_identifier(sanity_data)
+    if last_sanity_version < sanity_version or last_nativelsbstr != nativelsbstr: 
         check_sanity_version_change(status, sanity_data)
         status.addresult(check_sanity_sstate_dir_change(sstate_dir, sanity_data))
     else: 
@@ -972,6 +978,7 @@ def check_sanity(sanity_data):
             f.write("SANITY_VERSION %s\n" % sanity_version) 
             f.write("TMPDIR %s\n" % tmpdir) 
             f.write("SSTATE_DIR %s\n" % sstate_dir) 
+            f.write("NATIVELSBSTRING %s\n" % nativelsbstr) 
 
     sanity_handle_abichanges(status, sanity_data)