diff --git a/Makefile.am b/Makefile.am
index df761b9b60f84a1988ee9b1825499277de780a11..43c53a9b2b2d498d70d61f00202281ef6f7c3717 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -70,6 +70,6 @@ code-coverage-clean:
 	-find . -name "*.gcda" -o -name "*.gcov" -delete
 endif
 
-DISTCHECK_CONFIGURE_FLAGS = --disable-code-coverage
+DISTCHECK_CONFIGURE_FLAGS = --without-ragel --disable-code-coverage
 
 .PHONY: check-code-coverage code-coverage-initial code-coverage-capture code-coverage-html code-coverage-clean