diff --git a/codeagent-wrapper/executor.go b/codeagent-wrapper/executor.go
index 66acde1..653942a 100644
--- a/codeagent-wrapper/executor.go
+++ b/codeagent-wrapper/executor.go
@@ -983,6 +983,9 @@ func runCodexTaskWithContext(parentCtx context.Context, taskSpec TaskSpec, backe
 		if cfg.Backend == "gemini" {
 			stderrFilter = newFilteringWriter(os.Stderr, geminiNoisePatterns)
 			stderrOut = stderrFilter
+		} else if cfg.Backend == "codex" {
+			stderrFilter = newFilteringWriter(os.Stderr, codexNoisePatterns)
+			stderrOut = stderrFilter
 		}
 		stderrWriters = append([]io.Writer{stderrOut}, stderrWriters...)
 	}
diff --git a/codeagent-wrapper/filter.go b/codeagent-wrapper/filter.go
index ab5c522..f75d388 100644
--- a/codeagent-wrapper/filter.go
+++ b/codeagent-wrapper/filter.go
@@ -18,6 +18,11 @@ var geminiNoisePatterns = []string{
 	"YOLO mode is enabled",
 }
 
+// codexNoisePatterns contains stderr patterns to filter for codex backend
+var codexNoisePatterns = []string{
+	"ERROR codex_core::codex: needs_follow_up:",
+}
+
 // filteringWriter wraps an io.Writer and filters out lines matching patterns
 type filteringWriter struct {
 	w        io.Writer