diff --git a/DevTools/FormCompiler/Makefile b/DevTools/FormCompiler/Makefile
index 6374dfa019..e7854c999c 100644
--- a/DevTools/FormCompiler/Makefile
+++ b/DevTools/FormCompiler/Makefile
@@ -17,6 +17,7 @@ OBJS = \
     ../../Libraries/LibCore/CEvent.o \
     ../../Libraries/LibCore/CSocket.o \
     ../../Libraries/LibCore/CLocalSocket.o \
+    ../../Libraries/LibCore/CLocalServer.o \
     ../../Libraries/LibCore/CNotifier.o \
     ../../Libraries/LibCore/CEventLoop.o
 
diff --git a/DevTools/IPCCompiler/Makefile b/DevTools/IPCCompiler/Makefile
index cb63bf9682..160cf86979 100644
--- a/DevTools/IPCCompiler/Makefile
+++ b/DevTools/IPCCompiler/Makefile
@@ -18,6 +18,7 @@ OBJS = \
     ../../Libraries/LibCore/CSocket.o \
     ../../Libraries/LibCore/CLocalSocket.o \
     ../../Libraries/LibCore/CNotifier.o \
+    ../../Libraries/LibCore/CLocalServer.o \
     ../../Libraries/LibCore/CEventLoop.o
 
 all: $(PROGRAM)