diff --git a/src/include/sof/math/iir_df2t.h b/src/include/sof/math/iir_df2t.h
index 16727942eaa4..852463b93465 100644
--- a/src/include/sof/math/iir_df2t.h
+++ b/src/include/sof/math/iir_df2t.h
@@ -29,7 +29,7 @@
 #else
 #  if defined __XCC__
 #    include <xtensa/config/core-isa.h>
-#    if XCHAL_HAVE_HIFI3 == 1
+#    if XCHAL_HAVE_HIFI3 == 1 || XCHAL_HAVE_HIFI4 == 1
 #      define IIR_GENERIC	0
 #      define IIR_HIFI3		1
 #    else