diff --git a/modules/plugin/base/public/nptypes.h b/modules/plugin/base/public/nptypes.h
index 8b436d327830..613dd450a218 100644
--- a/modules/plugin/base/public/nptypes.h
+++ b/modules/plugin/base/public/nptypes.h
@@ -48,7 +48,7 @@
    */
   typedef int int32_t;
   typedef unsigned int uint32_t;
-#elif defined(_AIX) || defined(__sun)
+#elif defined(_AIX) || defined(__sun) || defined(__osf__)
   /*
    * AIX and SunOS ship a inttypes.h header that defines [u]int32_t,
    * but not bool for C.