diff --git a/celt_headers.mk b/celt_headers.mk
index 49b1befd..067b2940 100644
--- a/celt_headers.mk
+++ b/celt_headers.mk
@@ -34,4 +34,5 @@ celt/arm/armcpu.h \
 celt/arm/fixed_armv4.h \
 celt/arm/fixed_armv5e.h \
 celt/arm/kiss_fft_armv4.h \
-celt/arm/kiss_fft_armv5e.h
+celt/arm/kiss_fft_armv5e.h \
+celt/x86/pitch_sse.h