diff --git a/code/game/ai_vcmd.c b/code/game/ai_vcmd.c
index 93db55f4..a274bca7 100644
--- a/code/game/ai_vcmd.c
+++ b/code/game/ai_vcmd.c
@@ -527,13 +527,13 @@ int BotVoiceChatCommand(bot_state_t *bs, int mode, char *voiceChat) {
 
 	Q_strncpyz(buf, voiceChat, sizeof(buf));
 	cmd = buf;
-	for (ptr = cmd; *cmd && *cmd > ' '; cmd++);
+	for (; *cmd && *cmd > ' '; cmd++);
 	while (*cmd && *cmd <= ' ') *cmd++ = '\0';
 	//voiceOnly = atoi(ptr);
 	for (ptr = cmd; *cmd && *cmd > ' '; cmd++);
 	while (*cmd && *cmd <= ' ') *cmd++ = '\0';
 	clientNum = atoi(ptr);
-	for (ptr = cmd; *cmd && *cmd > ' '; cmd++);
+	for (; *cmd && *cmd > ' '; cmd++);
 	while (*cmd && *cmd <= ' ') *cmd++ = '\0';
 	//color = atoi(ptr);
 
diff --git a/code/game/g_items.c b/code/game/g_items.c
index da8b7a8a..59461d1e 100644
--- a/code/game/g_items.c
+++ b/code/game/g_items.c
@@ -368,10 +368,14 @@ void RespawnItem( gentity_t *ent ) {
 
 		choice = rand() % count;
 
-		for (count = 0, ent = master; count < choice; ent = ent->teamchain, count++)
+		for (count = 0, ent = master; ent && count < choice; ent = ent->teamchain, count++)
 			;
 	}
 
+	if (!ent) {
+		return;
+	}
+
 	ent->r.contents = CONTENTS_TRIGGER;
 	ent->s.eFlags &= ~EF_NODRAW;
 	ent->r.svFlags &= ~SVF_NOCLIENT;
diff --git a/code/renderergl2/tr_bsp.c b/code/renderergl2/tr_bsp.c
index d80a6524..b658d987 100644
--- a/code/renderergl2/tr_bsp.c
+++ b/code/renderergl2/tr_bsp.c
@@ -1614,7 +1614,7 @@ int R_StitchPatches( int grid1num, int grid2num ) {
 			}
 			for (m = 0; m < 2; m++) {
 
-				if (grid2->height >= MAX_GRID_SIZE)
+				if (!grid2 || grid2->height >= MAX_GRID_SIZE)
 					break;
 				if (m) offset2 = grid2->width-1;
 				else offset2 = 0;