diff --git a/cpu/6502/dhcp/Makefile.c64.defines b/cpu/6502/dhcp/Makefile.c64.defines
index 72d71db8b..c514089e0 100644
--- a/cpu/6502/dhcp/Makefile.c64.defines
+++ b/cpu/6502/dhcp/Makefile.c64.defines
@@ -1 +1 @@
-DEFINES = WITH_DNS,WITH_GUI
+DEFINES = WITH_DNS,WITH_GUI,WITH_MOUSE
diff --git a/examples/email/Makefile.c64.defines b/examples/email/Makefile.c64.defines
index 7f438d1d1..5a292701b 100644
--- a/examples/email/Makefile.c64.defines
+++ b/examples/email/Makefile.c64.defines
@@ -1 +1 @@
-DEFINES = WITH_CLIENT,WITH_DNS,WITH_GUI
+DEFINES = WITH_CLIENT,WITH_DNS,WITH_GUI,WITH_MOUSE
diff --git a/examples/irc/Makefile.c64.defines b/examples/irc/Makefile.c64.defines
index 7f438d1d1..5a292701b 100644
--- a/examples/irc/Makefile.c64.defines
+++ b/examples/irc/Makefile.c64.defines
@@ -1 +1 @@
-DEFINES = WITH_CLIENT,WITH_DNS,WITH_GUI
+DEFINES = WITH_CLIENT,WITH_DNS,WITH_GUI,WITH_MOUSE
diff --git a/examples/webbrowser/Makefile.c64.defines b/examples/webbrowser/Makefile.c64.defines
index 7f438d1d1..5a292701b 100644
--- a/examples/webbrowser/Makefile.c64.defines
+++ b/examples/webbrowser/Makefile.c64.defines
@@ -1 +1 @@
-DEFINES = WITH_CLIENT,WITH_DNS,WITH_GUI
+DEFINES = WITH_CLIENT,WITH_DNS,WITH_GUI,WITH_MOUSE