diff --git a/src/command/CommandListBuilder.cxx b/src/command/CommandListBuilder.cxx
index e2c7f95a5..4abb3ad16 100644
--- a/src/command/CommandListBuilder.cxx
+++ b/src/command/CommandListBuilder.cxx
@@ -27,7 +27,6 @@ void
 CommandListBuilder::Reset()
 {
 	list.clear();
-	size = 0;
 	mode = Mode::DISABLED;
 }
 
diff --git a/src/command/CommandListBuilder.hxx b/src/command/CommandListBuilder.hxx
index d2ca9d914..9908121d6 100644
--- a/src/command/CommandListBuilder.hxx
+++ b/src/command/CommandListBuilder.hxx
@@ -58,7 +58,7 @@ class CommandListBuilder {
 
 public:
 	CommandListBuilder()
-		:mode(Mode::DISABLED), size(0) {}
+		:mode(Mode::DISABLED) {}
 
 	/**
 	 * Is a command list currently being built?
@@ -89,6 +89,7 @@ public:
 		assert(mode == Mode::DISABLED);
 
 		mode = (Mode)ok;
+		size = 0;
 	}
 
 	/**