diff --git a/test/Makefile b/test/Makefile
index 42ad93a..be0afc1 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -11,6 +11,8 @@ FIRMWARE_DIR = ./../firmware
 RUSEFI_LIB = $(FIRMWARE_DIR)/libfirmware
 include $(RUSEFI_LIB)/util/util.mk
 
+include $(FIRMWARE_DIR)/wideband.mk
+
 # C sources that can be compiled in ARM or THUMB mode depending on the global
 # setting.
 CSRC += \
@@ -21,6 +23,7 @@ CSRC += \
 CPPSRC += \
 	$(RUSEFI_LIB_CPP) \
 	$(RUSEFI_LIB_CPP_TEST) \
+	$(WIDEBANDSRC) \
 	gtest-all.cpp \
 	gmock-all.cpp \
 	gtest_main.cpp \
diff --git a/test/tests/test_sampler.cpp b/test/tests/test_sampler.cpp
index b426e38..fd420e3 100644
--- a/test/tests/test_sampler.cpp
+++ b/test/tests/test_sampler.cpp
@@ -1,6 +1,8 @@
 #include <gtest/gtest.h>
 
+#include "sampling.h"
+
 TEST(Sampler, Basic)
 {
-    
+    Sampler dut;
 }