1 files changed, 1 insertions, 1 deletions
diff --git a/doio.c b/doio.c
index 7f2aee130a..1a5c786ca6 100644
--- a/doio.c
+++ b/doio.c
@@ -577,7 +577,7 @@ GV *gv;
 	    (void)ungetc(ch, IoIFP(io));
 	    return FALSE;
 	}
-#ifdef USE_STDIO_PTR
+#if defined(USE_STDIO_PTR) && defined(STDIO_CNT_LVALUE)
 	if (FILE_cnt(IoIFP(io)) < -1)
 	    FILE_cnt(IoIFP(io)) = -1;
 #endif