diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -1758,9 +1758,9 @@ class queue(object):
             for i in xrange(start, len(self.series)):
                 p, reason = self.pushable(i)
                 if p:
-                    break
+                    return i
                 self.explainpushable(i)
-            return i
+            return len(self.series)
         if self.applied:
             p = self.applied[-1].name
             try:
@@ -2206,7 +2206,7 @@ def top(ui, repo, **opts):
 
 @command("qnext", seriesopts, _('hg qnext [-s]'))
 def next(ui, repo, **opts):
-    """print the name of the next patch
+    """print the name of the next pushable patch
 
     Returns 0 on success."""
     q = repo.mq
@@ -2218,7 +2218,7 @@ def next(ui, repo, **opts):
 
 @command("qprev", seriesopts, _('hg qprev [-s]'))
 def prev(ui, repo, **opts):
-    """print the name of the previous patch
+    """print the name of the previous applied patch
 
     Returns 0 on success."""
     q = repo.mq
@@ -2229,7 +2229,8 @@ def prev(ui, repo, **opts):
     if not l:
         ui.write(_("no patches applied\n"))
         return 1
-    q.qseries(repo, start=l - 2, length=1, status='A',
+    idx = q.series.index(q.applied[-2].name)
+    q.qseries(repo, start=idx, length=1, status='A',
               summary=opts.get('summary'))
 
 def setupheaderopts(ui, opts):
diff --git a/tests/test-mq-guards.t b/tests/test-mq-guards.t
--- a/tests/test-mq-guards.t
+++ b/tests/test-mq-guards.t
@@ -107,6 +107,9 @@ should skip c.patch
   applying b.patch
   skipping c.patch - guarded by '-a'
   now at: b.patch
+  $ hg qnext
+  all patches applied
+  [1]
 
 should display b.patch
 
@@ -169,6 +172,8 @@ should push b.patch
   $ hg qpush -a
   applying c.patch
   now at: c.patch
+  $ hg qprev
+  b.patch
 
 Used to be an issue with holes in the patch sequence
 So, put one hole on the base and ask for topmost patch.
diff --git a/tests/test-mq.t b/tests/test-mq.t
--- a/tests/test-mq.t
+++ b/tests/test-mq.t
@@ -72,9 +72,9 @@ help
    qheader       print the header of the topmost or specified patch
    qimport       import a patch
    qnew          create a new patch
-   qnext         print the name of the next patch
+   qnext         print the name of the next pushable patch
    qpop          pop the current patch off the stack
-   qprev         print the name of the previous patch
+   qprev         print the name of the previous applied patch
    qpush         push the next patch onto the stack
    qqueue        manage multiple patch queues
    qrefresh      update the current patch
@@ -1476,7 +1476,7 @@ Test that qfinish change phase when mq.s
 
 Test that qfinish preserve phase when mq.secret=false
 
-  $ sed -i'' $HGRCPATH -e 's/secret=true/secret=false/'
+  $ sed -i.bak -e 's/secret=true/secret=false/' $HGRCPATH
   $ hg qfinish qbase
   patch add-file2 finalized without changeset message
   $ hg phase 'all()'