diff --git a/lib/config.h.in b/lib/config.h.in
index 1fd29b9..97e0210 100644
--- a/lib/config.h.in
+++ b/lib/config.h.in
@@ -1 +1 @@
-#cmakedefine HAVE_ARC4RANDOM "@HAVE_ARC4RANDOM@"
+#cmakedefine HAVE_ARC4RANDOM @HAVE_ARC4RANDOM@