Index: usr.sbin/efivar/efivar.c
===================================================================
--- usr.sbin/efivar/efivar.c
+++ usr.sbin/efivar/efivar.c
@@ -70,9 +70,8 @@
 };
 
 
-static int aflag, Aflag, bflag, dflag, Dflag, gflag, Hflag, Nflag,
-	lflag, Lflag, Rflag, wflag, pflag, uflag, load_opt_flag;
-static bool quiet;
+static bool aflag, Aflag, bflag, dflag, Dflag, gflag, Hflag, Nflag,
+	lflag, Lflag, Rflag, wflag, pflag, uflag, load_opt_flag, quiet;
 static char *varname;
 static char *fromfile;
 static u_long attrib = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS;
@@ -315,58 +314,58 @@
 		    longopts, NULL)) != -1) {
 		switch (ch) {
 		case 'a':
-			aflag++;
+			aflag = true;
 			break;
 		case 'A':
-			Aflag++;
+			Aflag = true;
 			break;
 		case 'b':
-			bflag++;
+			bflag = true;
 			break;
 		case 'd':
-			dflag++;
+			dflag = true;
 			break;
 		case 'D':
-			Dflag++;
+			Dflag = true;
 			break;
 		case 'g':
-			gflag++;
+			gflag = true;
 			break;
 		case 'H':
-			Hflag++;
+			Hflag = true;
 			break;
 		case 'l':
-			lflag++;
+			lflag = true;
 			break;
 		case 'L':
-			Lflag++;
+			Lflag = true;
 			break;
 		case 'n':
 			varname = optarg;
 			break;
 		case 'N':
-			Nflag++;
+			Nflag = true;
 			break;
 		case 'O':
-			load_opt_flag++;
+			load_opt_flag = true;
 			break;
 		case 'p':
-			pflag++;
+			pflag = true;
 			break;
 		case 'q':
 			quiet = true;
 			break;
 		case 'R':
-			Rflag++;
+			Rflag = true;
 			break;
 		case 't':
 			attrib = strtoul(optarg, NULL, 16);
 			break;
 		case 'u':
-			uflag++;
+			uflag = true;
 			break;
 		case 'w':
-			wflag++;
+			wflag = true;
 			break;
 		case 'f':
 			free(fromfile);