diff --git a/python/src/notcurses/build_notcurses.py b/python/src/notcurses/build_notcurses.py
index 267489aa7..7a60c0121 100644
--- a/python/src/notcurses/build_notcurses.py
+++ b/python/src/notcurses/build_notcurses.py
@@ -85,7 +85,7 @@ typedef struct ncinput {
   bool shift;
   bool alt;
   bool ctrl;
-  uint64_t sequm;
+  uint64_t seqnum;
 } ncinput;
 int ncplane_set_base_cell(struct ncplane* ncp, const cell* c);
 int ncplane_set_base(struct ncplane* ncp, uint64_t channels, uint32_t attrword, const char* egc);
diff --git a/src/lib/render.c b/src/lib/render.c
index ed7d987ff..7d592a2f4 100644
--- a/src/lib/render.c
+++ b/src/lib/render.c
@@ -947,12 +947,13 @@ int notcurses_refresh(notcurses* nc){
   if(term_emit("clear", nc->clearscr, nc->ttyfp, true)){
     return -1;
   }
-  struct crender* rvec = malloc(sizeof(struct crender) * nc->lfdimx * nc->lfdimy);
+  const size_t size = sizeof(struct crender) * nc->lfdimx * nc->lfdimy;
+  struct crender* rvec = malloc(size);
   if(rvec == NULL){
     return -1;
   }
+  memset(rvec, 0, size);
   for(int i = 0 ; i < nc->lfdimy * nc->lfdimx ; ++i){
-    memset(rvec + i, 0, sizeof(*rvec));
     rvec->damaged = true;
   }
   int ret = notcurses_rasterize(nc, rvec);