diff --git a/src/apps/bin/open.cpp b/src/apps/bin/open.cpp
index e15392ec20..b2b6cfec79 100644
--- a/src/apps/bin/open.cpp
+++ b/src/apps/bin/open.cpp
@@ -45,10 +45,13 @@ main(int argc, char **argv)
 		} else if (!strncasecmp("application/", *argv, 12)) {
 			// maybe it's an application-mimetype?
 			rc = roster.Launch(*argv);
-		} else if (strstr(*argv, "://")) {
+		} else if (strstr(*argv, ":")) {
 			BString mimetype = "application/x-vnd.Be.URL.";
 			BString arg(*argv);
-			mimetype.Append(arg, arg.FindFirst("://"));
+			if (strstr(*argv, "://"))
+				mimetype.Append(arg, arg.FindFirst("://"));
+			else
+				mimetype.Append(arg, arg.FindFirst(":"));
 			char *args[2] = { *argv, NULL };
 			rc = roster.Launch(mimetype.String(), 1, args);
 			if (rc == B_ALREADY_RUNNING)