diff --git a/backends/ui/haiku/prefs.cpp b/backends/ui/haiku/prefs.cpp
index ce6e84c..0181264 100644
--- a/backends/ui/haiku/prefs.cpp
+++ b/backends/ui/haiku/prefs.cpp
@@ -13,7 +13,7 @@ using namespace Looper::Options;
 #define CMD_SET_SETTING 0x1002
 #define CMD_REVERT 0x1003
 #define CMD_APPLY 0x1004
-#define CMD_SET_SETTING_CHECKBOX = 0x1005
+#define CMD_SET_SETTING_CHECKBOX 0x1005
 bool show_icons, show_labels;
 
 HaikuPrefsWindow::HaikuPrefsWindow(BLooper *next_handler) : BWindow(BRect(100, 100, 0, 0), "Preferences", B_TITLED_WINDOW, B_AUTO_UPDATE_SIZE_LIMITS) {