diff --git a/applications/codec/image_to_j2k.c b/applications/codec/image_to_j2k.c
index 71bafdb2..74d4b1a5 100644
--- a/applications/codec/image_to_j2k.c
+++ b/applications/codec/image_to_j2k.c
@@ -1594,7 +1594,6 @@ int main(int argc, char **argv) {
 	opj_codec_t* l_codec = 00;
 	opj_image_t *image = NULL;
 	raw_cparameters_t raw_cp;
-	opj_codestream_info_t cstr_info;		/* Codestream information structure */
 
 	char indexfilename[OPJ_PATH_LEN];	/* index file name */
 
diff --git a/libopenjpeg/jp2.h b/libopenjpeg/jp2.h
index 9b9259c4..8309c288 100644
--- a/libopenjpeg/jp2.h
+++ b/libopenjpeg/jp2.h
@@ -119,7 +119,7 @@ Palette data: table entries, palette columns
 */
 typedef struct opj_jp2_pclr
 {
-    OPJ_INT32 *entries;
+    OPJ_UINT32 *entries;
     OPJ_BYTE *channel_sign;
     OPJ_BYTE *channel_size;
     opj_jp2_cmap_comp_t *cmap;