1 files changed, 1 insertions, 1 deletions
diff --git a/pp_ctl.c b/pp_ctl.c
index dc8f0da162..e0c98ba21f 100644
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -4935,7 +4935,7 @@ S_path_is_absolute(const char *name)
     PERL_ARGS_ASSERT_PATH_IS_ABSOLUTE;
 
     if (PERL_FILE_IS_ABSOLUTE(name)
-#if WIN32
+#ifdef WIN32
 	|| (*name == '.' && ((name[1] == '/' ||
 			     (name[1] == '.' && name[2] == '/'))
 			 || (name[1] == '\\' ||