diff --git a/CHANGELOG.md b/CHANGELOG.md
index 996f1aec6..f1ba768d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Added multi-branch indexing support for Gerrit. [#433](https://github.com/sourcebot-dev/sourcebot/pull/433)
 
+### Fixed
+- Removed prefix from structured log output. [#443](https://github.com/sourcebot-dev/sourcebot/pull/443)
+
 ## [4.6.3] - 2025-08-04
 
 ### Fixed
diff --git a/prefix-output.sh b/prefix-output.sh
index 0364bfd7c..7cd3f8200 100644
--- a/prefix-output.sh
+++ b/prefix-output.sh
@@ -1,7 +1,15 @@
 #!/bin/sh
 
 # @see : https://github.com/Supervisor/supervisor/issues/553#issuecomment-1353523182
-exec 1> >( perl -ne '$| = 1; print "['"${SUPERVISOR_PROCESS_NAME}"'] | $_"' >&1)
-exec 2> >( perl -ne '$| = 1; print "['"${SUPERVISOR_PROCESS_NAME}"'] | $_"' >&2)
 
-exec "$@"
\ No newline at end of file
+# Check if structured logging is enabled
+if [ "${SOURCEBOT_STRUCTURED_LOGGING_ENABLED}" = "true" ]; then
+    # Don't prefix output, just execute the command directly
+    exec "$@"
+else
+    # Apply prefix to output
+    exec 1> >( perl -ne '$| = 1; print "['"${SUPERVISOR_PROCESS_NAME}"'] | $_"' >&1)
+    exec 2> >( perl -ne '$| = 1; print "['"${SUPERVISOR_PROCESS_NAME}"'] | $_"' >&2)
+    
+    exec "$@"
+fi
\ No newline at end of file