diff --git a/libs/libsndfile/.update b/libs/libsndfile/.update
index f195187f18..31cb06ca73 100644
--- a/libs/libsndfile/.update
+++ b/libs/libsndfile/.update
@@ -1 +1 @@
-Thu May 21 16:11:03 CDT 2009
+Mon Apr 16 11:52:47 CDT 2012
diff --git a/libs/libsndfile/src/ima_adpcm.c b/libs/libsndfile/src/ima_adpcm.c
index a9bd6ef521..e3ab38d752 100644
--- a/libs/libsndfile/src/ima_adpcm.c
+++ b/libs/libsndfile/src/ima_adpcm.c
@@ -724,7 +724,9 @@ ima_seek (SF_PRIVATE *psf, int mode, sf_count_t offset)
 	if (offset == 0)
 	{	psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
 		pima->blockcount = 0 ;
-		pima->decode_block (psf, pima) ;
+		if (pima->decode_block) {
+			pima->decode_block (psf, pima) ;
+		}
 		pima->samplecount = 0 ;
 		return 0 ;
 		} ;