diff --git a/libs/libnx/nxfonts/nxfonts_cache.c b/libs/libnx/nxfonts/nxfonts_cache.c
index 0acedc66619..e7a83439d56 100644
--- a/libs/libnx/nxfonts/nxfonts_cache.c
+++ b/libs/libnx/nxfonts/nxfonts_cache.c
@@ -25,6 +25,7 @@
 #include <nuttx/config.h>
 
 #include <sys/types.h>
+#include <stdint.h>
 #include <string.h>
 #include <assert.h>
 #include <errno.h>
@@ -587,8 +588,8 @@ static FAR struct nxfonts_fcache_s *
 {
   FAR struct nxfonts_fcache_s *fcache;
 
-  ginfo("fontid=%d fgcolor=%u bgcolor=%u bpp=%d\n",
-        fontid, fgcolor, bgcolor, bpp);
+  ginfo("fontid=%d fgcolor=%ju bgcolor=%ju bpp=%d\n",
+        fontid, (uintmax_t)fgcolor, (uintmax_t)bgcolor, bpp);
 
   /* Search for a cache for this font characteristics */
 
@@ -646,8 +647,8 @@ FCACHE nxf_cache_connect(enum nx_fontid_e fontid,
   FAR struct nxfonts_fcache_s *priv;
   int errcode;
 
-  ginfo("fontid=%d fgcolor=%u bgcolor=%u bpp=%d maxglyphs=%d\n",
-        fontid, fgcolor, bgcolor, bpp, maxglyphs);
+  ginfo("fontid=%d fgcolor=%ju bgcolor=%ju bpp=%d maxglyphs=%d\n",
+        fontid, (uintmax_t)fgcolor, (uintmax_t)bgcolor, bpp, maxglyphs);
 
   /* Get exclusive access to the font cache list */