diff --git a/src/modules/mavlink/mavlink_tests/module.mk b/src/modules/mavlink/mavlink_tests/module.mk
index 1a9936015e..a2793c6365 100644
--- a/src/modules/mavlink/mavlink_tests/module.mk
+++ b/src/modules/mavlink/mavlink_tests/module.mk
@@ -38,7 +38,7 @@
 MODULE_COMMAND		= mavlink_tests
 SRCS			= mavlink_tests.cpp \
 			mavlink_ftp_test.cpp \
-SRCS += 		../mavlink_ftp.cpp \
+	 		../mavlink_ftp.cpp \
 			../mavlink.c
 
 INCLUDE_DIRS	 += $(MAVLINK_SRC)/include/mavlink