diff --git a/src/driver/sfrt_driver_ctx.c b/src/driver/sfrt_driver_ctx.c
index 67834c0..bec02f6 100644
--- a/src/driver/sfrt_driver_ctx.c
+++ b/src/driver/sfrt_driver_ctx.c
@@ -85,25 +85,21 @@ int sfrt_get_driver_ctx(
 	struct sfrt_driver_ctx ** pctx)
 {
 	struct sfrt_driver_ctx_impl *	ctx;
+	struct sfrt_common_ctx		cctx;
 	const struct argv_option *	options;
 	struct argv_meta *		meta;
 	struct argv_entry *		entry;
 	size_t				nunits;
-	uint64_t			dflags;
-	uint64_t			aflags;
 	const char *			program;
-	const char *			astring; /* dummy */
 
 	options = sfrt_default_options;
 
 	if (!(meta = argv_get(argv,options,sfrt_argv_flags(flags))))
 		return -1;
 
-	dflags	= 0;
-	aflags	= 0;
 	nunits	= 0;
-	astring = 0; /* dummy */
 	program = argv_program_name(argv[0]);
+	memset(&cctx,0,sizeof(cctx));
 
 	if (!argv[1] && (flags & SFRT_DRIVER_VERBOSITY_USAGE))
 		return sfrt_driver_usage(program,0,options,meta);
@@ -117,18 +113,18 @@ int sfrt_get_driver_ctx(
 						return sfrt_driver_usage(program,entry->arg,options,meta);
 
 				case TAG_VERSION:
-					dflags |= SFRT_DRIVER_VERSION;
+					cctx.drvflags |= SFRT_DRIVER_VERSION;
 					break;
 /* dummy */
 /* dummy */			case TAG_OUTPUT_DUMMY:
-/* dummy */				astring = entry->arg;
+/* dummy */				cctx.anystring = entry->arg;
 /* dummy */				break;
 /* dummy */
 /* dummy */			case TAG_OUTPUT_PROPERTY:
 /* dummy */				if (!(strcmp(entry->arg,"name")))
-/* dummy */					aflags |= SFRT_OUTPUT_NAME;
+/* dummy */					cctx.actflags |= SFRT_OUTPUT_NAME;
 /* dummy */				else if (!(strcmp(entry->arg,"address")))
-/* dummy */					aflags |= SFRT_OUTPUT_ADDRESS;
+/* dummy */					cctx.actflags |= SFRT_OUTPUT_ADDRESS;
 /* dummy */				break;
 			}
 		} else
@@ -139,12 +135,9 @@ int sfrt_get_driver_ctx(
 		return sfrt_get_driver_ctx_fail(meta);
 
 	ctx->ctx.program	= program;
-	ctx->cctx.drvflags	= dflags;
-	ctx->cctx.actflags	= aflags;
-	ctx->cctx.anystring	= astring; /* dummy */
-
 	ctx->ctx.cctx		= &ctx->cctx;
 
+	memcpy(&ctx->cctx,&cctx,sizeof(cctx));
 	*pctx = &ctx->ctx;
 	return SFRT_OK;
 }