diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index ce898a0bac..6710a965b9 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -335,6 +335,7 @@ src_support_files = Split('''
     SignalSlotPrivate.cpp
     Systemcall.cpp
     Timeout.cpp
+    assert.cpp
     convert.cpp
     debug.cpp
     docstream.cpp