diff --git a/configure.ac b/configure.ac
index a8005b8d1..62672a3ac 100644
--- a/configure.ac
+++ b/configure.ac
@@ -906,7 +906,7 @@ QF_maGiC_VALUE
 	    )
 	fi
 fi
-if ["$HAVE_ALSA" == "no"]; then
+if  test "x$HAVE_ALSA" = "xno"; then
     if test "x$enable_alsa" != "xno"; then
 	if test "x$ac_cv_header_sys_asoundlib_h" = "xyes" -o \
 		"x$ac_cv_header_alsa_asoundlib_h" = "xyes"; then