diff --git a/src/dev/display/drm/lv_linux_drm.c b/src/dev/display/drm/lv_linux_drm.c
index 4010d372f..3e921e384 100644
--- a/src/dev/display/drm/lv_linux_drm.c
+++ b/src/dev/display/drm/lv_linux_drm.c
@@ -162,7 +162,8 @@ void lv_linux_drm_set_file(lv_display_t * disp, const char * file, int64_t conne
         lv_display_set_dpi(disp, DIV_ROUND_UP(hor_res * 25400, width * 1000));
     }
 
-    LV_LOG_INFO("Resolution is set to %dx%d at %ddpi", hor_res, ver_res, lv_display_get_dpi(disp));
+    LV_LOG_INFO("Resolution is set to %" LV_PRId32 "x%" LV_PRId32 " at %" LV_PRId32 "dpi",
+                hor_res, ver_res, lv_display_get_dpi(disp));
 }
 
 /**********************
diff --git a/src/dev/display/fb/lv_linux_fbdev.c b/src/dev/display/fb/lv_linux_fbdev.c
index c4ade901b..6a5146a92 100644
--- a/src/dev/display/fb/lv_linux_fbdev.c
+++ b/src/dev/display/fb/lv_linux_fbdev.c
@@ -211,7 +211,8 @@ void lv_linux_fbdev_set_file(lv_display_t * disp, const char * file)
         lv_display_set_dpi(disp, DIV_ROUND_UP(hor_res * 254, width * 10));
     }
 
-    LV_LOG_INFO("Resolution is set to %dx%d at %ddpi", hor_res, ver_res, lv_display_get_dpi(disp));
+    LV_LOG_INFO("Resolution is set to %" LV_PRId32 "x%" LV_PRId32 " at %" LV_PRId32 "dpi",
+                hor_res, ver_res, lv_display_get_dpi(disp));
 }
 
 /**********************
diff --git a/src/dev/nuttx/lv_nuttx_fbdev.c b/src/dev/nuttx/lv_nuttx_fbdev.c
index 19ffe0142..c59e426c9 100644
--- a/src/dev/nuttx/lv_nuttx_fbdev.c
+++ b/src/dev/nuttx/lv_nuttx_fbdev.c
@@ -136,7 +136,8 @@ int lv_nuttx_fbdev_set_file(lv_display_t * disp, const char * file)
     lv_display_set_resolution(disp, dsc->vinfo.xres, dsc->vinfo.yres);
     lv_timer_set_cb(disp->refr_timer, display_refr_timer_cb);
 
-    LV_LOG_USER("Resolution is set to %dx%d at %ddpi", dsc->vinfo.xres, dsc->vinfo.yres, lv_display_get_dpi(disp));
+    LV_LOG_USER("Resolution is set to %dx%d at %" LV_PRId32 "dpi",
+                dsc->vinfo.xres, dsc->vinfo.yres, lv_display_get_dpi(disp));
     return 0;
 
 errout:
diff --git a/src/libs/bin_decoder/lv_bin_decoder.c b/src/libs/bin_decoder/lv_bin_decoder.c
index d3203a788..f0bffe3c2 100644
--- a/src/libs/bin_decoder/lv_bin_decoder.c
+++ b/src/libs/bin_decoder/lv_bin_decoder.c
@@ -770,7 +770,7 @@ static lv_result_t decode_compressed(lv_image_decoder_t * decoder, lv_image_deco
     uint32_t rn;
     uint32_t len;
     uint32_t compressed_len;
-    uint8_t * file_buf;
+    uint8_t * file_buf = NULL;
     decoder_data_t * decoder_data = get_decoder_data(dsc);
     lv_result_t res;
     lv_image_compressed_t * compressed = &decoder_data->compressed;