diff --git a/Radio/Makefile b/Radio/Makefile
index c23650b..7f0df77 100644
--- a/Radio/Makefile
+++ b/Radio/Makefile
@@ -6,6 +6,7 @@ CXX_SRCS := $(LIBSRC_PATH)/cpp/radio/Formatter.cpp
 CXX_SRCS += $(LIBSRC_PATH)/cpp/radio/Symbolizer.cpp
 CXX_SRCS += $(LIBSRC_PATH)/cpp/radio/Scrambler.cpp
 CXX_SRCS += $(LIBSRC_PATH)/cpp/radio/Frame.cpp
+CXX_SRCS += $(LIBSRC_PATH)/cpp/radio/interpolation/Interpolator.cpp
 CXX_SRCS += $(LIBSRC_PATH)/cpp/radio/interpolation/Farrow.cpp
 CXX_SRCS += $(LIBSRC_PATH)/cpp/radio/interpolation/PolyPhase.cpp
 CXX_SRCS += $(LIBSRC_PATH)/cpp/radio/interpolation/UpSampler.cpp