diff --git a/build.gradle.kts b/build.gradle.kts
index a0476f6..d1f9ae9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ plugins {
 }
 
 group = "org.veupathdb.lib.s3"
-version = "0.7.0+s34k-0.11.0"
+version = "0.7.1+s34k-0.11.0"
 
 java {
   sourceCompatibility = JavaVersion.VERSION_1_8
diff --git a/readme.adoc b/readme.adoc
index 3b78279..6ac2af5 100644
--- a/readme.adoc
+++ b/readme.adoc
@@ -13,7 +13,7 @@ Minio implementation of the https://github.com/VEuPathDB/lib-s34k[S34k] API.
 .*Adding to project*:
 [source, kotlin]
 ----
-    implementation("org.veupathdb.lib.s3:s34k-minio:0.7.0+s34k-0.11.0")
+    implementation("org.veupathdb.lib.s3:s34k-minio:0.7.1+s34k-0.11.0")
 ----
 
 For a full API reference, see
diff --git a/src/main/kotlin/org/veupathdb/lib/s3/s34k/minio/BucketObjectContainer.kt b/src/main/kotlin/org/veupathdb/lib/s3/s34k/minio/BucketObjectContainer.kt
index c5350c2..907229b 100644
--- a/src/main/kotlin/org/veupathdb/lib/s3/s34k/minio/BucketObjectContainer.kt
+++ b/src/main/kotlin/org/veupathdb/lib/s3/s34k/minio/BucketObjectContainer.kt
@@ -429,7 +429,7 @@ internal class BucketObjectContainer(
     return BasicObjectStream(
       minio.listObjects(ListObjectsArgs.builder()
         .bucket(bucket)
-        .prefix(params.prefix)
+        .optPrefix(params.prefix)
         .region(params, bucket)
         .recursive(true)
         .headers(params.headers)