diff --git a/mercurial/debugcommands.py b/mercurial/debugcommands.py
--- a/mercurial/debugcommands.py
+++ b/mercurial/debugcommands.py
@@ -1889,10 +1889,10 @@
 @command(
     b'debuglocks',
     [
-        (b'L', b'force-lock', None, _(b'free the store lock (DANGEROUS)')),
+        (b'L', b'force-free-lock', None, _(b'free the store lock (DANGEROUS)')),
         (
             b'W',
-            b'force-wlock',
+            b'force-free-wlock',
             None,
             _(b'free the working state lock (DANGEROUS)'),
         ),
@@ -1931,11 +1931,11 @@
 
     """
 
-    if opts.get('force_lock'):
+    if opts.get('force_free_lock'):
         repo.svfs.unlink(b'lock')
-    if opts.get('force_wlock'):
+    if opts.get('force_free_wlock'):
         repo.vfs.unlink(b'wlock')
-    if opts.get('force_lock') or opts.get('force_wlock'):
+    if opts.get('force_free_lock') or opts.get('force_free_wlock'):
         return 0
 
     locks = []
diff --git a/relnotes/next b/relnotes/next
--- a/relnotes/next
+++ b/relnotes/next
@@ -53,6 +53,8 @@
 
 == Backwards Compatibility Changes ==
 
+ * `--force-lock` and `--force-wlock` options on `hg debuglock` command are
+   renamed to `--force-free-lock` and `--force-free-wlock` respectively.
 
 
 == Internal API Changes ==
diff --git a/tests/test-completion.t b/tests/test-completion.t
--- a/tests/test-completion.t
+++ b/tests/test-completion.t
@@ -295,7 +295,7 @@
   debuginstall: template
   debugknown: 
   debuglabelcomplete: 
-  debuglocks: force-lock, force-wlock, set-lock, set-wlock
+  debuglocks: force-free-lock, force-free-wlock, set-lock, set-wlock
   debugmanifestfulltextcache: clear, add
   debugmergestate: style, template
   debugnamecomplete: