diff --git a/src/sounds.c b/src/sounds.c
index a2268630b..6c092bf3d 100644
--- a/src/sounds.c
+++ b/src/sounds.c
@@ -1284,6 +1284,9 @@ sfxinfo_t S_sfx[NUMSFX] =
   {"bpwrue",  false, 255, 16, -1, NULL, 0,         -1,  -1, LUMPERROR, "Super Flicky"},
   {"bpwruf",  false, 255, 16, -1, NULL, 0,         -1,  -1, LUMPERROR, "Bonus"},
 
+  // Misc announcer calls
+  {"duelmb",  false, 255, 16, -1, NULL, 0,         -1,  -1, LUMPERROR, "Margin Boost"},
+
   // SRB2Kart - Engine sounds
   // Engine class A
   {"krta00", false,  48, 65, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
diff --git a/src/sounds.h b/src/sounds.h
index 2dd034866..7d87f1e85 100644
--- a/src/sounds.h
+++ b/src/sounds.h
@@ -1360,6 +1360,9 @@ typedef enum
 	sfx_bpwrue, // Super Flicky
 	sfx_bpwruf, // Bonus
 
+	// Misc announcer calls
+	sfx_duelmb, // Margin Boost
+
 	// Next up: UNIQUE ENGINE SOUNDS! Hoooooo boy...
 	// Engine class A - Low Speed, Low Weight
 	sfx_krta00,