diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 975df28..eb7ce96 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1903,7 +1903,7 @@
 	unsigned int min;		/* minimum range */
 	unsigned int max;		/* maximum range */
 	unsigned int translation;	/* translation type (EMU10K1_GPR_TRANSLATION*) */
-	unsigned int *tlv;
+	const unsigned int *tlv;
 };
 
 /* old ABI without TLV support */