diff --git a/mailnews/imap/tests/harness/Makefile.in b/mailnews/imap/tests/harness/Makefile.in
index 75f973ecf3b..4d6ad45cdec 100644
--- a/mailnews/imap/tests/harness/Makefile.in
+++ b/mailnews/imap/tests/harness/Makefile.in
@@ -25,7 +25,7 @@ include $(DEPTH)/config/autoconf.mk
 PROGRAM = testimap
 
 CPPSRCS = \
-		test.cpp \
+		imapProtocolTest.cpp \
 		$(NULL)
 
 LIBS =	\