diff --git a/src/tests/kits/support/Jamfile b/src/tests/kits/support/Jamfile
index eb03e58c94..01feef84aa 100644
--- a/src/tests/kits/support/Jamfile
+++ b/src/tests/kits/support/Jamfile
@@ -62,6 +62,7 @@ CommonTestLib libsupporttest.so
 		StringEscapeTest.cpp
 		StringRemoveTest.cpp
 		StringCompareTest.cpp
+		StringFormatAppendTest.cpp
 
 	: <boot!home!config!lib>libopenbeos.so
 		be stdc++.r4