diff --git a/client/cl_tent.c b/client/cl_tent.c
index 1b10829..bcaea24 100644
--- a/client/cl_tent.c
+++ b/client/cl_tent.c
@@ -1673,6 +1673,8 @@ void CL_AddExplosions (void)
 			ent->skinnum = 0;
 			ent->flags |= RF_TRANSLUCENT;
 			break;
+		default:
+			break;
 		}
 
 		if (ex->type == ex_free)
diff --git a/ctf/g_ctf.c b/ctf/g_ctf.c
index 1b8cb94..bf7f0d8 100644
--- a/ctf/g_ctf.c
+++ b/ctf/g_ctf.c
@@ -2839,6 +2839,8 @@ void CTFWinElection(void)
 		strncpy(level.forcemap, ctfgame.elevel, sizeof(level.forcemap) - 1);
 		EndDMLevel();
 		break;
+	default:
+		break;
 	}
 	ctfgame.election = ELECT_NONE;
 }
@@ -3261,6 +3263,8 @@ int CTFUpdateJoinMenu(edict_t *ent)
 	case MATCH_GAME :
 		joinmenu[jmenu_match].text = "*MATCH IN PROGRESS";
 		break;
+	default:
+		break;
 	}
 
 	if (joinmenu[jmenu_red].text)
@@ -3401,6 +3405,8 @@ qboolean CTFCheckRules(void)
 				CTFEndMatch();
 				gi.positioned_sound (world->s.origin, world, CHAN_AUTO | CHAN_RELIABLE, gi.soundindex("misc/bigtele.wav"), 1, ATTN_NONE, 0);
 				return false;
+			default:
+				break;
 			}
 		}
 
@@ -3450,6 +3456,8 @@ qboolean CTFCheckRules(void)
 				gi.positioned_sound (world->s.origin, world, CHAN_AUTO | CHAN_RELIABLE, gi.soundindex("world/10_0.wav"), 1, ATTN_NONE, 0);
 			}
 			break;
+		default:
+			break;
 		}
 		return false;
 
diff --git a/ctf/g_save.c b/ctf/g_save.c
index 406677d..b14696b 100644
--- a/ctf/g_save.c
+++ b/ctf/g_save.c
@@ -303,6 +303,8 @@ void WriteField2 (FILE *f, field_t *field, byte *base)
 			fwrite (*(char **)p, len, 1, f);
 		}
 		break;
+	default:
+		break;
 	}
 }
 
diff --git a/ctf/g_spawn.c b/ctf/g_spawn.c
index f58e38a..fe0b021 100644
--- a/ctf/g_spawn.c
+++ b/ctf/g_spawn.c
@@ -416,6 +416,8 @@ void ED_ParseField (char *key, char *value, edict_t *ent)
 				break;
 			case F_IGNORE:
 				break;
+			default:
+				break;
 			}
 			return;
 		}
diff --git a/game/g_save.c b/game/g_save.c
index 957862d..2dc553a 100644
--- a/game/g_save.c
+++ b/game/g_save.c
@@ -315,6 +315,8 @@ void WriteField2 (FILE *f, field_t *field, byte *base)
 			fwrite (*(char **)p, len, 1, f);
 		}
 		break;
+	default:
+		break;
 	}
 }
 
diff --git a/game/g_spawn.c b/game/g_spawn.c
index c6084e9..673f248 100644
--- a/game/g_spawn.c
+++ b/game/g_spawn.c
@@ -396,6 +396,8 @@ void ED_ParseField (char *key, char *value, edict_t *ent)
 				break;
 			case F_IGNORE:
 				break;
+			default:
+				break;
 			}
 			return;
 		}
diff --git a/qcommon/common.c b/qcommon/common.c
index 80bb873..58902de 100644
--- a/qcommon/common.c
+++ b/qcommon/common.c
@@ -1491,10 +1491,10 @@ void Qcommon_Init (int argc, char **argv)
 Qcommon_Frame
 =================
 */
-void Qcommon_Frame (int msec)
+void Qcommon_Frame (volatile int msec)
 {
 	char	*s;
-	int		time_before = 0, time_between = 0, time_after = 0;
+	volatile int time_before = 0, time_between = 0, time_after = 0;
 
 	if (setjmp (abortframe) )
 		return;			// an ERR_DROP was thrown