diff --git a/src/pacman/conf.h b/src/pacman/conf.h
index 3ba49eae..c2ed1cac 100644
--- a/src/pacman/conf.h
+++ b/src/pacman/conf.h
@@ -128,7 +128,8 @@ enum {
 
 /* Long Operations */
 enum {
-	OP_NOCONFIRM = 1000,
+	OP_LONG_FLAG_MIN = 1000,
+	OP_NOCONFIRM,
 	OP_CONFIG,
 	OP_IGNORE,
 	OP_DEBUG,
diff --git a/src/pacman/pacman.c b/src/pacman/pacman.c
index 0ba357bb..f4856924 100644
--- a/src/pacman/pacman.c
+++ b/src/pacman/pacman.c
@@ -947,7 +947,12 @@ static int parseargs(int argc, char *argv[])
 		result = parsearg_global(opt);
 		if(result != 0) {
 			/* global option parsing failed, abort */
-			pm_printf(ALPM_LOG_ERROR, _("invalid option\n"));
+			if(opt < OP_LONG_FLAG_MIN) {
+				pm_printf(ALPM_LOG_ERROR, _("invalid option '-%c'\n"), opt);
+			} else {
+				pm_printf(ALPM_LOG_ERROR, _("invalid option '--%s'\n"),
+						opts[option_index].name);
+			}
 			return result;
 		}
 	}