diff --git a/sdrbase/sdrbase.pro b/sdrbase/sdrbase.pro
index 456f3bfbf..96113c8fb 100644
--- a/sdrbase/sdrbase.pro
+++ b/sdrbase/sdrbase.pro
@@ -141,6 +141,10 @@ HEADERS  += mainwindow.h\
         dsp/interpolator.h\
         dsp/inthalfbandfilter.h\
         dsp/inthalfbandfilterdb.h\
+        dsp/inthalfbandfiltereo1.h\
+        dsp/inthalfbandfiltereo1i.h\
+        dsp/inthalfbandfiltereo2.h\
+        dsp/inthalfbandfiltereo2i.h\
         dsp/kissfft.h\
         dsp/kissengine.h\
         dsp/lowpass.h\