diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0a7e49d37..0558186b3d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -184,6 +184,7 @@
     Bug #8005: F3 stats bars are sorted not according to their place in the timeline
     Bug #8018: Potion effects should never explode and always apply on self
     Bug #8021: Player's scale doesn't reset when starting a new game
+    Bug #8048: Actors can generate negative collision extents and have no collision
     Bug #8064: Lua move360 script doesn't respect the enableZoom/disableZoom Camera interface setting
     Feature #1415: Infinite fall failsafe
     Feature #2566: Handle NAM9 records for manual cell references
diff --git a/apps/components_tests/nifloader/testbulletnifloader.cpp b/apps/components_tests/nifloader/testbulletnifloader.cpp
index d44561a68b..f7ee559578 100644
--- a/apps/components_tests/nifloader/testbulletnifloader.cpp
+++ b/apps/components_tests/nifloader/testbulletnifloader.cpp
@@ -1364,4 +1364,28 @@ namespace
 
         EXPECT_EQ(*result, expected);
     }
+
+    TEST_F(TestBulletNifLoader, dont_assign_invalid_bounding_box_extents)
+    {
+        copy(mTransform, mNiTriShape.mTransform);
+        mNiTriShape.mTransform.mScale = 10;
+        mNiTriShape.mParents.push_back(&mNiNode);
+
+        mNiTriShape2.mName = "Bounding Box";
+        mNiTriShape2.mBounds.mType = Nif::BoundingVolume::Type::BOX_BV;
+        mNiTriShape2.mBounds.mBox.mExtents = osg::Vec3f(-1, -2, -3);
+        mNiTriShape2.mParents.push_back(&mNiNode);
+
+        mNiNode.mChildren = Nif::NiAVObjectList{ Nif::NiAVObjectPtr(&mNiTriShape), Nif::NiAVObjectPtr(&mNiTriShape2) };
+
+        Nif::NIFFile file("test.nif");
+        file.mRoots.push_back(&mNiNode);
+
+        const auto result = mLoader.load(file);
+
+        const bool extentsUnassigned
+            = std::ranges::all_of(result->mCollisionBox.mExtents._v, [](float extent) { return extent == 0.f; });
+
+        EXPECT_EQ(extentsUnassigned, true);
+    }
 }
diff --git a/components/nifbullet/bulletnifloader.cpp b/components/nifbullet/bulletnifloader.cpp
index a57e8b3c06..bcda7efe70 100644
--- a/components/nifbullet/bulletnifloader.cpp
+++ b/components/nifbullet/bulletnifloader.cpp
@@ -85,7 +85,8 @@ namespace NifBullet
     {
         if (Misc::StringUtils::ciEqual(node.mName, "Bounding Box"))
         {
-            if (node.mBounds.mType == Nif::BoundingVolume::Type::BOX_BV)
+            if (node.mBounds.mType == Nif::BoundingVolume::Type::BOX_BV
+                && std::ranges::all_of(node.mBounds.mBox.mExtents._v, [](float extent) { return extent > 0.f; }))
             {
                 mShape->mCollisionBox.mExtents = node.mBounds.mBox.mExtents;
                 mShape->mCollisionBox.mCenter = node.mBounds.mBox.mCenter;