diff --git a/firmware/blinky/Makefile b/firmware/blinky/Makefile
index 468916f3..6ad30dde 100644
--- a/firmware/blinky/Makefile
+++ b/firmware/blinky/Makefile
@@ -25,6 +25,7 @@ BINARY = blinky
 
 SRC = $(BINARY).c \
 	../common/hackrf_core.c \
-	../common/si5351c.c
+	../common/si5351c.c \
+	../common/max2837.c
 
 include ../common/Makefile_inc.mk
diff --git a/firmware/startup/Makefile b/firmware/startup/Makefile
index 3576bd6d..eb1502a9 100644
--- a/firmware/startup/Makefile
+++ b/firmware/startup/Makefile
@@ -4,6 +4,7 @@ BINARY = startup
 
 SRC = $(BINARY).c \
 	../common/hackrf_core.c \
-	../common/si5351c.c
+	../common/si5351c.c \
+	../common/max2837.c
 
 include ../common/Makefile_inc.mk
diff --git a/firmware/startup_systick/Makefile b/firmware/startup_systick/Makefile
index 5d5ccfd4..22dbecac 100644
--- a/firmware/startup_systick/Makefile
+++ b/firmware/startup_systick/Makefile
@@ -4,6 +4,7 @@ BINARY = startup_systick
 
 SRC = $(BINARY).c \
 	../common/hackrf_core.c \
-	../common/si5351c.c
+	../common/si5351c.c \
+	../common/max2837.c
 
 include ../common/Makefile_inc.mk
diff --git a/firmware/startup_systick_perfo/Makefile b/firmware/startup_systick_perfo/Makefile
index b667e1db..2a35de93 100644
--- a/firmware/startup_systick_perfo/Makefile
+++ b/firmware/startup_systick_perfo/Makefile
@@ -5,6 +5,7 @@ BINARY = startup_systick_perfo_SPIFI
 SRC = startup_systick.c \
 	perf_mips.c \
 	../common/hackrf_core.c \
-	../common/si5351c.c
+	../common/si5351c.c \
+	../common/max2837.c
 
 include ../common/Makefile_inc.mk