diff --git a/.chloggen/batch-processor-init-single-shard.yaml b/.chloggen/batch-processor-init-single-shard.yaml
new file mode 100644
index 00000000000..7042a8fc35d
--- /dev/null
+++ b/.chloggen/batch-processor-init-single-shard.yaml
@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: batchprocessor
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Move single shard batcher creation to the constructor
+
+# One or more tracking issues or pull requests related to the change
+issues: [11594]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: []
diff --git a/processor/batchprocessor/batch_processor.go b/processor/batchprocessor/batch_processor.go
index 146ee59420f..f06c8010033 100644
--- a/processor/batchprocessor/batch_processor.go
+++ b/processor/batchprocessor/batch_processor.go
@@ -129,6 +129,7 @@ func newBatchProcessor[T any](set processor.Settings, cfg *Config, batchFunc fun
 	if len(mks) == 0 {
 		bp.batcher = &singleShardBatcher[T]{
 			processor: bp,
+			single:    bp.newShard(nil),
 		}
 	} else {
 		bp.batcher = &multiShardBatcher[T]{
@@ -277,7 +278,6 @@ type singleShardBatcher[T any] struct {
 }
 
 func (sb *singleShardBatcher[T]) start(context.Context) error {
-	sb.single = sb.processor.newShard(nil)
 	sb.single.start()
 	return nil
 }