diff --git a/programs/CMakeLists.txt b/programs/CMakeLists.txt
index 234a912..0438e8d 100644
--- a/programs/CMakeLists.txt
+++ b/programs/CMakeLists.txt
@@ -68,6 +68,7 @@ set(PROGRAMS
     sleep.c
     man.c
     edit.c
+    uptime.c
 )
 foreach(PROGRAM ${PROGRAMS})
     # Prepare the program name.