diff --git a/lang/php7/Makefile b/lang/php7/Makefile
index 877fd7cac..4685ef753 100644
--- a/lang/php7/Makefile
+++ b/lang/php7/Makefile
@@ -561,7 +561,7 @@ endef
 
 define Build/Prepare
 	$(call Build/Prepare/Default)
-	( cd $(PKG_BUILD_DIR); touch configure.in; ./buildconf --force )
+	( cd $(PKG_BUILD_DIR); touch configure.ac; ./buildconf --force )
 endef
 
 define Build/InstallDev