diff --git a/bitbake/lib/bb/fetch2/perforce.py b/bitbake/lib/bb/fetch2/perforce.py
index ac1bfc7df8..7491a53600 100644
--- a/bitbake/lib/bb/fetch2/perforce.py
+++ b/bitbake/lib/bb/fetch2/perforce.py
@@ -112,7 +112,7 @@ class Perforce(FetchMethod):
         base = path
         which = path.find('/...')
         if which != -1:
-            base = path[:which]
+            base = path[:which-1]
 
         base = self._strip_leading_slashes(base)