diff --git a/src_rebuild/Game/C/civ_ai.c b/src_rebuild/Game/C/civ_ai.c
index a833c7f3..abddb5a9 100644
--- a/src_rebuild/Game/C/civ_ai.c
+++ b/src_rebuild/Game/C/civ_ai.c
@@ -3674,8 +3674,7 @@ int CivControl(CAR_DATA* cp)
 		if (cp->ai.c.thrustState != 3)
 			steer = CivSteerAngle(cp);
 
-		// reduce acceleration when steering is applied
-		thrust = CivAccel(cp) - MAX(ABS(steer), 4) * 3;
+		thrust = CivAccel(cp) - MAX(ABS(steer), 4) * 3; // [A] reduce acceleration when steering is applied
 
 		if (thrust < 0 && cp->hd.wheel_speed < 5)
 			thrust = 0;
diff --git a/src_rebuild/Game/C/system.c b/src_rebuild/Game/C/system.c
index 514218e6..90d1ea91 100644
--- a/src_rebuild/Game/C/system.c
+++ b/src_rebuild/Game/C/system.c
@@ -535,6 +535,10 @@ void sector_ready(u_char intr, u_char* result)
 int loadsectorsPC(char* addr, int sector, int nsectors)
 {
 	char namebuffer[64];
+
+	if (g_CurrentLevelFileName[0] == 0)
+		return 0;
+
 	strcpy(namebuffer, g_CurrentLevelFileName);
 	FS_FixPathSlashes(namebuffer);