diff --git a/src/server/game/Spells/Spell.cpp b/src/server/game/Spells/Spell.cpp
index e20def2cb..11ca29a07 100644
--- a/src/server/game/Spells/Spell.cpp
+++ b/src/server/game/Spells/Spell.cpp
@@ -1431,7 +1431,16 @@ void Spell::SelectImplicitCasterDestTargets(SpellEffIndex effIndex, SpellImplici
                 float destx = pos.GetPositionX() + distance * cos(pos.GetOrientation());
                 float desty = pos.GetPositionY() + distance * sin(pos.GetOrientation());
 
-                float ground = map->GetHeight(phasemask, pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ());
+                // Added GROUND_HEIGHT_TOLERANCE to account for cases where, during a jump,
+                // the Z position may be slightly below the vmap ground level.
+                // Without this tolerance, a ray trace might incorrectly attempt to find ground
+                // beneath the actual surface.
+                //
+                // Example:
+                //    actual vmap ground: -56.342392
+                //    Z position:         -56.347195
+                float searchGroundZPos = pos.GetPositionZ()+GROUND_HEIGHT_TOLERANCE;
+                float ground = map->GetHeight(phasemask, pos.GetPositionX(), pos.GetPositionY(), searchGroundZPos);
 
                 bool isCasterInWater = m_caster->IsInWater();
                 if (!m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING) || (pos.GetPositionZ() - ground < distance))