diff --git a/libobjc/configure b/libobjc/configure
index 9379887d6bd..1465d0e5431 100755
--- a/libobjc/configure
+++ b/libobjc/configure
@@ -454,7 +454,7 @@ echo > confdefs.h
 
 # A filename unique to this package, relative to the directory that
 # configure is in, which we can look for to find out if srcdir is correct.
-ac_unique_file=objc/objc.h
+ac_unique_file=objc.h
 
 # Find the source files, if location was not specified.
 if test -z "$srcdir"; then