diff --git a/src/flac/encode.c b/src/flac/encode.c
index 0b4ef5f1..44590f44 100644
--- a/src/flac/encode.c
+++ b/src/flac/encode.c
@@ -216,7 +216,7 @@ int flac__encode_wav(FILE *infile, long infilesize, const char *infilename, cons
 				/* sample rate */
 				if(!read_little_endian_uint32(infile, &xx, false, encoder_wrapper.inbasefilename))
 					goto wav_abort_;
-				if(xx == 0 || xx > FLAC__MAX_SAMPLE_RATE) {
+				if(!FLAC__format_is_valid_sample_rate(xx)) {
 					fprintf(stderr, "%s: ERROR: unsupported sample rate %u\n", encoder_wrapper.inbasefilename, (unsigned)xx);
 					goto wav_abort_;
 				}
diff --git a/src/flac/main.c b/src/flac/main.c
index 153516e1..3d4314ff 100644
--- a/src/flac/main.c
+++ b/src/flac/main.c
@@ -384,7 +384,7 @@ int main(int argc, char *argv[])
 			return long_usage("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", format_bps);
 	}
 	if(format_sample_rate >= 0) {
-		if(format_sample_rate == 0 || (unsigned)format_sample_rate > FLAC__MAX_SAMPLE_RATE)
+		if(!FLAC__format_is_valid_sample_rate(format_sample_rate))
 			return long_usage("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", format_sample_rate, FLAC__MAX_SAMPLE_RATE);
 	}
 	if(!mode_decode && ((unsigned)blocksize < FLAC__MIN_BLOCK_SIZE || (unsigned)blocksize > FLAC__MAX_BLOCK_SIZE)) {