diff --git a/SPECS/gpgme-multilib.h b/SPECS/gpgme-multilib.h
new file mode 100644
index 0000000..574f09d
--- /dev/null
+++ b/SPECS/gpgme-multilib.h
@@ -0,0 +1,20 @@
+/* gpgme-multilib.h */
+/* This file is here to prevent a file conflict on multiarch systems.  A
+ * conflict will occur because gpgme.h has arch-specific definitions.
+ *
+ * DO NOT INCLUDE THE NEW FILE DIRECTLY -- ALWAYS INCLUDE THIS ONE INSTEAD. */
+
+#ifndef GPGME_MULTILIB_H
+#define GPGME_MULTILIB_H
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 32
+#include "gpgme-32.h"
+#elif __WORDSIZE == 64
+#include "gpgme-64.h"
+#else
+#error "unexpected value for __WORDSIZE macro"
+#endif
+
+#endif
+