diff --git a/include/ircd/js/js.h b/include/ircd/js/js.h
index e02d759c8..5b2821592 100644
--- a/include/ircd/js/js.h
+++ b/include/ircd/js/js.h
@@ -56,12 +56,11 @@ namespace js {  struct InterpreterFrame;  }
 namespace ircd {
 namespace js   {
 
-inline const char *version(const JSVersion &v)   { return JS_VersionToString(v);                   }
-inline JSVersion version(const char *const &v)   { return JS_StringToVersion(v);                   }
 
 } // namespace js
 } // namespace ircd
 
+#include "version.h"
 #include "type.h"
 #include "tracing.h"
 #include "runtime.h"
diff --git a/include/ircd/js/version.h b/include/ircd/js/version.h
new file mode 100644
index 000000000..ce1fdf11a
--- /dev/null
+++ b/include/ircd/js/version.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016 Charybdis Development Team
+ * Copyright (C) 2016 Jason Volk <jason@zemos.net>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+#define HAVE_IRCD_JS_VERSION_H
+
+namespace ircd {
+namespace js   {
+
+const char *version(const JSVersion &v);
+JSVersion version(const char *const &v);
+
+} // namespace js
+} // namespace ircd
+
+inline JSVersion
+ircd::js::version(const char *const &v)
+{
+	return JS_StringToVersion(v);
+}
+
+inline const char *
+ircd::js::version(const JSVersion &v)
+{
+	return JS_VersionToString(v);
+}