diff --git a/src/k_kart.c b/src/k_kart.c
index fc58a338..2d12c73d 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -3262,7 +3262,7 @@ void K_CheckBalloons(void)
 {
 	UINT8 i;
 	UINT8 numingame = 0;
-	INT8 winnernum = -1;
+	SINT8 winnernum = -1;
 
 #if 0
 	return; // set to 1 to test comeback mechanics while alone
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 10f2d89c..526c3e75 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -1400,6 +1400,7 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
 					break;
 				case MT_WATERDROP:
 					gravityadd >>= 1;
+					break;
 				case MT_BANANAITEM:
 				case MT_FAKEITEM:
 				case MT_MINEITEM:
diff --git a/src/v_video.c b/src/v_video.c
index defe8096..68998139 100644
--- a/src/v_video.c
+++ b/src/v_video.c
@@ -1262,6 +1262,7 @@ void V_DrawKartString(INT32 x, INT32 y, INT32 option, const char *string)
 	{
 		case V_MONOSPACE:
 			spacewidth = 12;
+			/* FALLTHRU */
 		case V_OLDSPACING:
 			charwidth = 12;
 			break;