diff --git a/configure.ac b/configure.ac
index eccb09b..103cf07 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,7 +57,7 @@ if test -n "$kbuilddir"; then
 		echo "WARNING: Version detection did not succeed. Continue at own luck.";
 	else
 		echo "$kmajor.$kminor.$kmicro.$kstable in $kbuilddir";
-		if test "$kmajor" -gt 5 -o "$kmajor" -eq 5 -a "$kminor" -gt 3; then
+		if test "$kmajor" -gt 5 -o "$kmajor" -eq 5 -a "$kminor" -gt 4; then
 			echo "WARNING: That kernel version is not officially supported yet. Continue at own luck.";
 		elif test "$kmajor" -eq 5 -a "$kminor" -ge 0; then
 			: