diff --git a/configure b/configure
index 5e23960e44..09f4ed8161 100755
--- a/configure
+++ b/configure
@@ -1712,7 +1712,7 @@ if test "$_wayland" = yes || test "$_wayland" = auto; then
 fi
 if test "$_wayland" = yes; then
   res_comment=""
-  def_wayland='#define HAVE_WAYLAND'
+  def_wayland='#define HAVE_WAYLAND 1'
   vomodules="wayland $vomodules"
 else
   res_comment="version >= $_wlver"
@@ -2131,7 +2131,7 @@ if test "$_gl" = yes ; then
     res_comment="$res_comment x11"
   fi
   if test "$_gl_wayland" = yes ; then
-    def_gl_wayland='#define HAVE_GL_WAYLAND'
+    def_gl_wayland='#define HAVE_GL_WAYLAND 1'
     res_comment="$res_comment wayland"
   fi
   vomodules="opengl $vomodules"
diff --git a/video/out/vo_wayland.c b/video/out/vo_wayland.c
index ff6d677e15..b1f99bd26f 100644
--- a/video/out/vo_wayland.c
+++ b/video/out/vo_wayland.c
@@ -177,7 +177,7 @@ static int create_tmpfile_cloexec(char *tmpname)
 {
     int fd;
 
-#if HAVE_MKOSTEMP
+#ifdef HAVE_MKOSTEMP
     fd = mkostemp(tmpname, O_CLOEXEC);
     if (fd >= 0)
         unlink(tmpname);