--- a/configure
+++ b/configure
@@ -28386,8 +28386,8 @@
   test -n "$WAYLAND_SCANNER" && break
 done
 
-    if test x"$HAVE_WAYLAND_EGL" == xyes ; then
-      if test x"$WAYLAND_SCANNER" == x ; then
+    if test "x$HAVE_WAYLAND_EGL" = "xyes" ; then
+      if test "x$WAYLAND_SCANNER" = "x" ; then
         as_fn_error $? "Found Wayland libraries, but couldn't find wayland-scanner binary." "$LINENO" 5
       fi