diff --git a/doc/html/changelog.html b/doc/html/changelog.html
index 7f64f8c5..93cb4154 100644
--- a/doc/html/changelog.html
+++ b/doc/html/changelog.html
@@ -88,6 +88,7 @@
 					<li>Fixed a bug in cuesheet parsing where it would return an error if the last line of the cuesheet did not end with a newline.</li>
 					<li>Fixed a bug with --sector-align where appended samples were not always totally silent (<a href="https://sourceforge.net/tracker/index.php?func=detail&aid=1237707&group_id=13478&atid=113478">SF #1237707</a>).</li>
 					<li>Fixed bugs with --sector-align and raw input files.</li>
+					<li>Fixed a bug printing out unknown AIFF subchunk names (<a href="https://sourceforge.net/tracker/index.php?func=detail&aid=1267476&group_id=13478&atid=113478">SF #1267476</a>).</li>
 				</ul>
 			</li>
 			<li>
diff --git a/src/flac/encode.c b/src/flac/encode.c
index 61f076c9..a964bec3 100644
--- a/src/flac/encode.c
+++ b/src/flac/encode.c
@@ -194,7 +194,7 @@ int flac__encode_aif(FILE *infile, long infilesize, const char *infilename, cons
 
 	while(1) {
 		size_t c= 0U;
-		char chunk_id[4];
+		char chunk_id[5] = { '\0', '\0', '\0', '\0', '\0' }; /* one extra byte for terminating NUL so we can also treat it like a C string */
 
 		/* chunk identifier; really conservative about behavior of fread() and feof() */
 		if(feof(infile) || ((c= fread(chunk_id, 1U, 4U, infile)), c==0U && feof(infile)))