diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b99f77cae..b7c10e1a74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
     Bug #5129: Stuttering animation on Centurion Archer
     Bug #5977: Fatigueless NPCs' corpse underwater changes animation on game load
     Bug #6939: OpenMW-CS: ID columns are too short
+    Bug #6949: Sun Damage effect doesn't work in quasi exteriors
     Feature #6945: Support S3TC-compressed and BGR/BGRA NiPixelData
 
 0.48.0
diff --git a/apps/openmw/mwmechanics/spelleffects.cpp b/apps/openmw/mwmechanics/spelleffects.cpp
index 81a3dc0921..f491b785f6 100644
--- a/apps/openmw/mwmechanics/spelleffects.cpp
+++ b/apps/openmw/mwmechanics/spelleffects.cpp
@@ -645,7 +645,7 @@ void applyMagicEffect(const MWWorld::Ptr& target, const MWWorld::Ptr& caster, co
         case ESM::MagicEffect::SunDamage:
             {
                 // isInCell shouldn't be needed, but updateActor called during game start
-                if (!target.isInCell() || !target.getCell()->isExterior() || godmode)
+                if (!target.isInCell() || !(target.getCell()->isExterior() || target.getCell()->isQuasiExterior()) || godmode)
                     break;
                 float time = world->getTimeStamp().getHour();
                 float timeDiff = std::clamp(std::abs(time - 13.f), 0.f, 7.f);
diff --git a/apps/openmw/mwworld/cellstore.cpp b/apps/openmw/mwworld/cellstore.cpp
index 7b9dd57d09..aedf9c6c90 100644
--- a/apps/openmw/mwworld/cellstore.cpp
+++ b/apps/openmw/mwworld/cellstore.cpp
@@ -671,6 +671,11 @@ namespace MWWorld
         return mCell->isExterior();
     }
 
+    bool CellStore::isQuasiExterior() const
+    {
+        return (mCell->mData.mFlags & ESM::Cell::QuasiEx) != 0;
+    }
+
     Ptr CellStore::searchInContainer (const std::string& id)
     {
         bool oldState = mHasState;
diff --git a/apps/openmw/mwworld/cellstore.hpp b/apps/openmw/mwworld/cellstore.hpp
index 091deaf2c5..5132ef4207 100644
--- a/apps/openmw/mwworld/cellstore.hpp
+++ b/apps/openmw/mwworld/cellstore.hpp
@@ -370,6 +370,8 @@ namespace MWWorld
 
             bool isExterior() const;
 
+            bool isQuasiExterior() const;
+
             Ptr searchInContainer (const std::string& id);
 
             void loadState (const ESM::CellState& state);