1 files changed, 1 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 5fb9a1eb7..4de699a2a 100644
--- a/Makefile
+++ b/Makefile
@@ -630,6 +630,7 @@ SRCS += dock_gui.c
 SRCS += driver.c
 SRCS += dummy_land.c
 SRCS += economy.c
+SRCS += elrail.c
 SRCS += engine.c
 SRCS += engine_gui.c
 SRCS += fileio.c