diff --git a/src/lib/kitty.c b/src/lib/kitty.c
index 68aff7c96..9d1fe1d3d 100644
--- a/src/lib/kitty.c
+++ b/src/lib/kitty.c
@@ -1166,7 +1166,7 @@ int kitty_draw(const tinfo* ti, const ncpile* p, sprixel* s, fbuf* f,
     animated = true;
   }
   int ret = s->glyph.used;
-  logdebug("dumping %llub for %u at %d %d\n", s->glyph.used, s->id, yoff, xoff);
+  logdebug("dumping %" PRIu64 "b for %u at %d %d\n", s->glyph.used, s->id, yoff, xoff);
   if(ret){
     if(fbuf_putn(f, s->glyph.buf, s->glyph.used) < 0){
       ret = -1;
diff --git a/src/lib/tabbed.c b/src/lib/tabbed.c
index 1ab3b0013..52f728f02 100644
--- a/src/lib/tabbed.c
+++ b/src/lib/tabbed.c
@@ -73,7 +73,7 @@ void nctabbed_ensure_selected_header_visible(nctabbed* nt){
 static bool
 nctabbed_validate_opts(const nctabbed_options* opts){
   if(opts->flags > NCTABBED_OPTION_BOTTOM){
-    logwarn("Provided unsupported flags 0x%016llx\n", opts->flags);
+    logwarn("Provided unsupported flags 0x%016" PRIx64 "\n", opts->flags);
   }
   if(opts->sepchan && !opts->separator){
     logwarn("Provided non-zero separator channel when separator is NULL")
diff --git a/src/lib/tree.c b/src/lib/tree.c
index cec0a2822..4da4f8563 100644
--- a/src/lib/tree.c
+++ b/src/lib/tree.c
@@ -124,7 +124,7 @@ nctree_inner_create(ncplane* n, const nctree_options* opts){
 
 nctree* nctree_create(ncplane* n, const nctree_options* opts){
   if(opts->flags){
-    logwarn("Passed invalid flags 0x%016llx\n", opts->flags);
+    logwarn("Passed invalid flags 0x%016" PRIx64 "\n", opts->flags);
   }
   if(opts->count == 0 || opts->items == NULL){
     logerror("Can't create empty tree\n");