1 files changed, 4 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_ChannelMatteOperation.cc b/source/blender/compositor/operations/COM_ChannelMatteOperation.cc
index 98105a9dfde..89290978608 100644
--- a/source/blender/compositor/operations/COM_ChannelMatteOperation.cc
+++ b/source/blender/compositor/operations/COM_ChannelMatteOperation.cc
@@ -19,6 +19,8 @@
 #include "COM_ChannelMatteOperation.h"
 #include "BLI_math.h"
 
+namespace blender::compositor {
+
 ChannelMatteOperation::ChannelMatteOperation()
 {
   addInputSocket(DataType::Color);
@@ -118,3 +120,5 @@ void ChannelMatteOperation::executePixelSampled(float output[4],
   /* Don't make something that was more transparent less transparent. */
   output[0] = MIN2(alpha, inColor[3]);
 }
+
+}  // namespace blender::compositor