diff --git a/include/sway/input/cursor.h b/include/sway/input/cursor.h
index c7da88293..31012990a 100644
--- a/include/sway/input/cursor.h
+++ b/include/sway/input/cursor.h
@@ -10,10 +10,10 @@
 
 #define SWAY_CURSOR_PRESSED_BUTTONS_CAP 32
 
-#define SWAY_SCROLL_UP KEY_MAX + 1
-#define SWAY_SCROLL_DOWN KEY_MAX + 2
-#define SWAY_SCROLL_LEFT KEY_MAX + 3
-#define SWAY_SCROLL_RIGHT KEY_MAX + 4
+#define SWAY_SCROLL_UP (KEY_MAX + 1)
+#define SWAY_SCROLL_DOWN (KEY_MAX + 2)
+#define SWAY_SCROLL_LEFT (KEY_MAX + 3)
+#define SWAY_SCROLL_RIGHT (KEY_MAX + 4)
 
 struct sway_cursor {
 	struct sway_seat *seat;
diff --git a/include/swaybar/input.h b/include/swaybar/input.h
index 8ea88a69a..323aa5739 100644
--- a/include/swaybar/input.h
+++ b/include/swaybar/input.h
@@ -5,10 +5,10 @@
 #include <stdbool.h>
 #include "list.h"
 
-#define SWAY_SCROLL_UP KEY_MAX + 1
-#define SWAY_SCROLL_DOWN KEY_MAX + 2
-#define SWAY_SCROLL_LEFT KEY_MAX + 3
-#define SWAY_SCROLL_RIGHT KEY_MAX + 4
+#define SWAY_SCROLL_UP (KEY_MAX + 1)
+#define SWAY_SCROLL_DOWN (KEY_MAX + 2)
+#define SWAY_SCROLL_LEFT (KEY_MAX + 3)
+#define SWAY_SCROLL_RIGHT (KEY_MAX + 4)
 
 #define SWAY_CONTINUOUS_SCROLL_TIMEOUT 1000
 #define SWAY_CONTINUOUS_SCROLL_THRESHOLD 10000