diff --git a/kitty/parser.c b/kitty/parser.c
index 953fe7cc0..f1843a6bf 100644
--- a/kitty/parser.c
+++ b/kitty/parser.c
@@ -397,8 +397,7 @@ dispatch_csi(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
                 if (i > start) params[num_params++] = utoi(buf + start, i - start);
                 else if (i == start && buf[i] == ';') params[num_params++] = 0;
                 if (num_params >= MAX_PARAMS) { i = num; start = num + 1; }
-                start = i + 1;
-                break;
+                else { start = i + 1; break; }
         }
     }
     if (i > start) params[num_params++] = utoi(buf + start, i - start);