diff --git a/winsup/cygwin/binmode.c b/winsup/cygwin/binmode.c
index afc885441..2eb02df23 100644
--- a/winsup/cygwin/binmode.c
+++ b/winsup/cygwin/binmode.c
@@ -12,7 +12,7 @@ details. */
 
 extern int _fmode;
 void
-cygwin_premain0(int argc, char **argv)
+cygwin_premain0 (int argc, char **argv)
 {
   _fmode &= ~_O_TEXT;
   _fmode |= _O_BINARY;
diff --git a/winsup/cygwin/textmode.c b/winsup/cygwin/textmode.c
index 2e4fc70d5..92648ca04 100644
--- a/winsup/cygwin/textmode.c
+++ b/winsup/cygwin/textmode.c
@@ -12,7 +12,7 @@ details. */
 
 extern int _fmode;
 void
-cygwin_premain0(int argc, char **argv)
+cygwin_premain0 (int argc, char **argv)
 {
   _fmode &= ~_O_BINARY;
   _fmode |= _O_TEXT;