diff --git a/buildconf b/buildconf
index 8b91c3b1479..468b7c65d2c 100755
--- a/buildconf
+++ b/buildconf
@@ -38,7 +38,7 @@ if test "$dev" = "0" -a "$devok" = "0"; then
 fi
 
 if test -z "$ZENDDIR"; then
-  if grep "PHP_MAJOR_VERSION 5" main/php_version.h >/dev/null; then
+  if grep "PHP_MAJOR_VERSION 6" main/php_version.h >/dev/null; then
     v=5
   else
     v=4