Don't add effect slots to the active list until an effect is set

1 files changed, 5 insertions, 2 deletions

diff --git a/al/auxeffectslot.cpp b/al/auxeffectslot.cpp
index 1f35b344..5f71ea97 100644
--- a/al/auxeffectslot.cpp
+++ b/al/auxeffectslot.cpp
@@ -310,8 +310,6 @@ START_API_FUNC
         } while(--count);
         std::copy(ids.cbegin(), ids.cend(), effectslots);
     }
-
-    AddActiveEffectSlots(effectslots, static_cast<ALuint>(n), context.get());
 }
 END_API_FUNC
 
@@ -404,6 +402,11 @@ START_API_FUNC
             context->setError(err, "Effect initialization failed");
             return;
         }
+        if(slot->mState == SlotState::Initial)
+        {
+            AddActiveEffectSlots(&slot->id, 1, context.get());
+            slot->mState = SlotState::Playing;
+        }
         break;
 
     case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO: