diff --git a/src/gcrypt_missing.c b/src/gcrypt_missing.c
index e07843b8..edadf674 100644
--- a/src/gcrypt_missing.c
+++ b/src/gcrypt_missing.c
@@ -21,6 +21,8 @@
  * MA 02111-1307, USA.
  */
 
+#include "config.h"
+
 #include <stdlib.h>
 
 #include "libssh/priv.h"
diff --git a/src/libgcrypt.c b/src/libgcrypt.c
index 0e85d5d3..d9dd5be6 100644
--- a/src/libgcrypt.c
+++ b/src/libgcrypt.c
@@ -20,6 +20,8 @@
  * MA 02111-1307, USA.
  */
 
+#include "config.h"
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>