diff --git a/rbutil/bspatch/bspatch.h b/rbutil/bspatch/bspatch.h
index 666b460647..46edd5db0c 100644
--- a/rbutil/bspatch/bspatch.h
+++ b/rbutil/bspatch/bspatch.h
@@ -5,6 +5,15 @@
 #ifndef _BSPATCH_H
 #define _BSPATCH_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 int apply_bspatch(const char *infile, const char *outfile, const char *patchfile);
 
+#ifdef __cplusplus
+}
+#endif
+
+
 #endif /* _BSPATCH_H */