diff --git a/pkg/workflows/wasm/host/module.go b/pkg/workflows/wasm/host/module.go
index 1b1403371..e87a73b64 100644
--- a/pkg/workflows/wasm/host/module.go
+++ b/pkg/workflows/wasm/host/module.go
@@ -612,7 +612,7 @@ func createLogFn(logger logger.Logger) func(caller *wasmtime.Caller, ptr int32,
 			args = append(args, k, v)
 		}
 
-		reg, _ := regexp.Compile(`[\[\]\\/\\>\<\&\{\}\:\;]`)
+		reg, _ := regexp.Compile(`[\r\n\t]|[\x00-\x1F]|[<>\"'\\&%$;:{}\[\]/]`)
 		sanitizedMsg := reg.ReplaceAllString(msg, "*")
 
 		switch level {