diff --git a/independent-projects/resteasy-reactive/client/runtime/src/main/java/org/jboss/resteasy/reactive/client/logging/DefaultClientLogger.java b/independent-projects/resteasy-reactive/client/runtime/src/main/java/org/jboss/resteasy/reactive/client/logging/DefaultClientLogger.java
index 2f5b9c632e98e..a7884ecb1e561 100644
--- a/independent-projects/resteasy-reactive/client/runtime/src/main/java/org/jboss/resteasy/reactive/client/logging/DefaultClientLogger.java
+++ b/independent-projects/resteasy-reactive/client/runtime/src/main/java/org/jboss/resteasy/reactive/client/logging/DefaultClientLogger.java
@@ -57,6 +57,8 @@ public void logRequest(HttpClientRequest request, Buffer body, boolean omitBody)
     private String bodyToString(Buffer body) {
         if (body == null) {
             return "";
+        } else if (bodySize <= 0) {
+            return body.toString();
         } else {
             String bodyAsString = body.toString();
             return bodyAsString.substring(0, Math.min(bodySize, bodyAsString.length()));