diff --git a/meta/lib/oe/buildhistory_analysis.py b/meta/lib/oe/buildhistory_analysis.py
index b1856846b6a..4edad01580c 100644
--- a/meta/lib/oe/buildhistory_analysis.py
+++ b/meta/lib/oe/buildhistory_analysis.py
@@ -562,7 +562,7 @@ def compare_siglists(a_blob, b_blob, taskdiff=False):
                 elif not hash2 in hashfiles:
                     out.append("Unable to find matching sigdata for %s with hash %s" % (desc, hash2))
                 else:
-                    out2 = bb.siggen.compare_sigfiles(hashfiles[hash1], hashfiles[hash2], recursecb, collapsed=True)
+                    out2 = bb.siggen.compare_sigfiles(hashfiles[hash1]['path'], hashfiles[hash2]['path'], recursecb, collapsed=True)
                     for line in out2:
                         m = hashlib.sha256()
                         m.update(line.encode('utf-8'))
diff --git a/meta/lib/oe/sstatesig.py b/meta/lib/oe/sstatesig.py
index 8a97fb0c04b..0342bcdc87a 100644
--- a/meta/lib/oe/sstatesig.py
+++ b/meta/lib/oe/sstatesig.py
@@ -349,7 +349,6 @@ def find_siginfo(pn, taskname, taskhashlist, d):
            pn, taskname = key.split(':', 1)
 
     hashfiles = {}
-    filedates = {}
 
     def get_hashval(siginfo):
         if siginfo.endswith('.siginfo'):
@@ -357,6 +356,12 @@ def find_siginfo(pn, taskname, taskhashlist, d):
         else:
             return siginfo.rpartition('.')[2]
 
+    def get_time(fullpath):
+        try:
+            return os.stat(fullpath).st_mtime
+        except OSError:
+            return None
+
     # First search in stamps dir
     localdata = d.createCopy()
     localdata.setVar('MULTIMACH_TARGET_SYS', '*')
@@ -372,24 +377,21 @@ def find_siginfo(pn, taskname, taskhashlist, d):
     filespec = '%s.%s.sigdata.*' % (stamp, taskname)
     foundall = False
     import glob
+    bb.debug(1, "Calling glob.glob on {}".format(filespec))
     for fullpath in glob.glob(filespec):
         match = False
         if taskhashlist:
             for taskhash in taskhashlist:
                 if fullpath.endswith('.%s' % taskhash):
-                    hashfiles[taskhash] = fullpath
+                    hashfiles[taskhash] = {'path':fullpath, 'sstate':False, 'time':get_time(fullpath)}
                     if len(hashfiles) == len(taskhashlist):
                         foundall = True
                         break
         else:
-            try:
-                filedates[fullpath] = os.stat(fullpath).st_mtime
-            except OSError:
-                continue
             hashval = get_hashval(fullpath)
-            hashfiles[hashval] = fullpath
+            hashfiles[hashval] = {'path':fullpath, 'sstate':False, 'time':get_time(fullpath)}
 
-    if not taskhashlist or (len(filedates) < 2 and not foundall):
+    if not taskhashlist or (len(hashfiles) < 2 and not foundall):
         # That didn't work, look in sstate-cache
         hashes = taskhashlist or ['?' * 64]
         localdata = bb.data.createCopy(d)
@@ -412,22 +414,15 @@ def find_siginfo(pn, taskname, taskhashlist, d):
                 localdata.setVar('SSTATE_EXTRAPATH', "${NATIVELSBSTRING}/")
             filespec = '%s.siginfo' % localdata.getVar('SSTATE_PKG')
 
+            bb.debug(1, "Calling glob.glob on {}".format(filespec))
             matchedfiles = glob.glob(filespec)
             for fullpath in matchedfiles:
                 actual_hashval = get_hashval(fullpath)
                 if actual_hashval in hashfiles:
                     continue
-                hashfiles[hashval] = fullpath
-                if not taskhashlist:
-                    try:
-                        filedates[fullpath] = os.stat(fullpath).st_mtime
-                    except:
-                        continue
+                hashfiles[actual_hashval] = {'path':fullpath, 'sstate':True, 'time':get_time(fullpath)}
 
-    if taskhashlist:
-        return hashfiles
-    else:
-        return filedates
+    return hashfiles
 
 bb.siggen.find_siginfo = find_siginfo
 
diff --git a/meta/lib/oeqa/selftest/cases/sstatetests.py b/meta/lib/oeqa/selftest/cases/sstatetests.py
index f5b3437d86b..83abcdfdd62 100644
--- a/meta/lib/oeqa/selftest/cases/sstatetests.py
+++ b/meta/lib/oeqa/selftest/cases/sstatetests.py
@@ -765,14 +765,14 @@ addtask tmptask2 before do_tmptask1
                 hashes = [hash1, hash2]
                 hashfiles = find_siginfo(key, None, hashes)
                 self.assertCountEqual(hashes, hashfiles)
-                bb.siggen.compare_sigfiles(hashfiles[hash1], hashfiles[hash2], recursecb)
+                bb.siggen.compare_sigfiles(hashfiles[hash1]['path'], hashfiles[hash2]['path'], recursecb)
 
             for pn in pns:
                 recursecb_count = 0
-                filedates = find_siginfo(pn, "do_tmptask1")
-                self.assertGreaterEqual(len(filedates), 2)
-                latestfiles = sorted(filedates.keys(), key=lambda f: filedates[f])[-2:]
-                bb.siggen.compare_sigfiles(latestfiles[-2], latestfiles[-1], recursecb)
+                matches = find_siginfo(pn, "do_tmptask1")
+                self.assertGreaterEqual(len(matches), 2)
+                latesthashes = sorted(matches.keys(), key=lambda h: matches[h]['time'])[-2:]
+                bb.siggen.compare_sigfiles(matches[latesthashes[-2]]['path'], matches[latesthashes[-1]]['path'], recursecb)
                 self.assertEqual(recursecb_count,1)
 
 class SStatePrintdiff(SStateBase):