diff --git a/lib/net_mosq_ocsp.c b/lib/net_mosq_ocsp.c
index af1511f6..50fcfae1 100644
--- a/lib/net_mosq_ocsp.c
+++ b/lib/net_mosq_ocsp.c
@@ -40,6 +40,8 @@ be used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization of the copyright holder.
 */
 
+#include "config.h"
+
 #ifdef WITH_TLS
 #include <logging_mosq.h>
 #include <mosquitto_internal.h>
diff --git a/lib/tls_mosq.c b/lib/tls_mosq.c
index 757941a1..50e72059 100644
--- a/lib/tls_mosq.c
+++ b/lib/tls_mosq.c
@@ -14,10 +14,10 @@ Contributors:
    Roger Light - initial implementation and documentation.
 */
 
-#ifdef WITH_TLS
-
 #include "config.h"
 
+#ifdef WITH_TLS
+
 #ifdef WIN32
 #  include <winsock2.h>
 #  include <ws2tcpip.h>