diff --git a/NEWS b/NEWS
index 311667f58..08057a86e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,8 @@
 ver 0.15.5 (2009/??/??)
 * input:
   - curl: don't abort if a packet has only metadata
+* tags:
+  - riff, aiff: fixed "limited range" gcc warning
 * decoder_thread: change the fallback decoder name to "mad"
 
 
diff --git a/src/aiff.c b/src/aiff.c
index f77e86d2b..d4bec628b 100644
--- a/src/aiff.c
+++ b/src/aiff.c
@@ -84,6 +84,11 @@ aiff_seek_id3(FILE *file)
 			return 0;
 
 		size = GUINT32_FROM_BE(chunk.size);
+		if (size > G_MAXINT32)
+			/* too dangerous, bail out: possible integer
+			   underflow when casting to off_t */
+			return 0;
+
 		if (size % 2 != 0)
 			/* pad byte */
 			++size;
@@ -92,11 +97,6 @@ aiff_seek_id3(FILE *file)
 			/* found it! */
 			return size;
 
-		if ((off_t)size < 0)
-			/* integer underflow after cast to signed
-			   type */
-			return 0;
-
 		ret = fseek(file, size, SEEK_CUR);
 		if (ret != 0)
 			return 0;
diff --git a/src/riff.c b/src/riff.c
index 7227fd3c8..a8ea9dd42 100644
--- a/src/riff.c
+++ b/src/riff.c
@@ -83,6 +83,11 @@ riff_seek_id3(FILE *file)
 			return 0;
 
 		size = GUINT32_FROM_LE(chunk.size);
+		if (size > G_MAXINT32)
+			/* too dangerous, bail out: possible integer
+			   underflow when casting to off_t */
+			return 0;
+
 		if (size % 2 != 0)
 			/* pad byte */
 			++size;
@@ -91,11 +96,6 @@ riff_seek_id3(FILE *file)
 			/* found it! */
 			return size;
 
-		if ((off_t)size < 0)
-			/* integer underflow after cast to signed
-			   type */
-			return 0;
-
 		ret = fseek(file, size, SEEK_CUR);
 		if (ret != 0)
 			return 0;