diff --git a/Source/missiles.cpp b/Source/missiles.cpp
index 89ac6ef9a..de7b62e08 100644
--- a/Source/missiles.cpp
+++ b/Source/missiles.cpp
@@ -1318,7 +1318,7 @@ void AddFireRune(Missile &missile, Point dst, Direction /*midir*/)
 
 void AddLightningRune(Missile &missile, Point dst, Direction /*midir*/)
 {
-	AddRune(missile, dst, MIS_LIGHTBALL);
+	AddRune(missile, dst, MIS_LIGHTWALL);
 }
 
 void AddGreatLightningRune(Missile &missile, Point dst, Direction /*midir*/)