diff --git a/TR5Main/Game/effect2.cpp b/TR5Main/Game/effect2.cpp
index 462bd217a..f5387fc8a 100644
--- a/TR5Main/Game/effect2.cpp
+++ b/TR5Main/Game/effect2.cpp
@@ -1689,7 +1689,7 @@ void TriggerFireFlame(int x, int y, int z, int fxObj, int type)
 				}
 				else
 				{
-					spark->sSize = spark->size = (GetRandomControl() & 0xF) + 128;
+					spark->sSize = spark->size = (GetRandomControl() & 0xF) + 48;
 				}
 			}
 			else
diff --git a/TR5Main/Objects/TR4/Entity/tr4_sentrygun.cpp b/TR5Main/Objects/TR4/Entity/tr4_sentrygun.cpp
index b00d205aa..3a31498d4 100644
--- a/TR5Main/Objects/TR4/Entity/tr4_sentrygun.cpp
+++ b/TR5Main/Objects/TR4/Entity/tr4_sentrygun.cpp
@@ -71,7 +71,7 @@ static void SentryGunThrowFire(ITEM_INFO* item)
 		spark->flags = SP_FIRE | SP_SCALE | SP_DEF | SP_ROTATE | SP_EXPDEF;
 
 		spark->scalar = 3;
-		spark->dSize = (v * ((GetRandomControl() & 7) + 60)) / 64;
+		spark->dSize = (v * ((GetRandomControl() & 7) + 60)) / 256;
 		spark->sSize = spark->dSize / 4;
 		spark->size = spark->dSize / 2;
 	}