diff --git a/kitty/history.c b/kitty/history.c
index c46f9bbda..4ee6095ec 100644
--- a/kitty/history.c
+++ b/kitty/history.c
@@ -33,7 +33,7 @@ new(PyTypeObject *type, PyObject *args, PyObject UNUSED *kwds) {
         self->buf = PyMem_Calloc(xnum * ynum, sizeof(Cell));
         self->continued_map = PyMem_Calloc(ynum, sizeof(bool));
         self->line = alloc_line();
-        if (self->buf == NULL || self->line == NULL || self->continued_map) {
+        if (self->buf == NULL || self->line == NULL || self->continued_map == NULL) {
             PyErr_NoMemory();
             PyMem_Free(self->buf); Py_CLEAR(self->line); PyMem_Free(self->continued_map);
             Py_CLEAR(self);