1 files changed, 4 insertions, 0 deletions
diff --git a/gpgmeplug/gpgmeplug.c b/gpgmeplug/gpgmeplug.c
index eac049e6..05d14385 100644
--- a/gpgmeplug/gpgmeplug.c
+++ b/gpgmeplug/gpgmeplug.c
@@ -52,6 +52,9 @@
 #include <errno.h>
 
 #include "gpgme.h"
+#ifndef GPGMEPLUG_PROTOCOL
+#define GPGMEPLUG_PROTOCOL GPGME_PROTOCOL_OpenPGP
+#endif
 
 #include "cryptplug.h"
 
@@ -719,6 +722,7 @@ bool signMessage( const char*  cleartext,
     return false;
 
   gpgme_new (&ctx);
+  gpgme_set_protocol (ctx, GPGMEPLUG_PROTOCOL);