Fix debug message control logic

A flag set being in mDebugFilters is considered disabled, not enabled.

1 files changed, 2 insertions, 2 deletions

diff --git a/al/debug.cpp b/al/debug.cpp
index 98c5a0b5..81e9b35f 100644
--- a/al/debug.cpp
+++ b/al/debug.cpp
@@ -171,9 +171,9 @@ FORCE_ALIGN void AL_APIENTRY alDebugMessageControlSOFT(ALenum source, ALenum typ
     {
         auto iter = std::lower_bound(context->mDebugFilters.cbegin(),
             context->mDebugFilters.cend(), filter);
-        if(enable && (iter == context->mDebugFilters.cend() || *iter != filter))
+        if(!enable && (iter == context->mDebugFilters.cend() || *iter != filter))
             context->mDebugFilters.insert(iter, filter);
-        else if(!enable && iter != context->mDebugFilters.cend() && *iter == filter)
+        else if(enable && iter != context->mDebugFilters.cend() && *iter == filter)
             context->mDebugFilters.erase(iter);
     };
     auto apply_severity = [apply_filter,svrIndices](const uint filter)