diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/algorithms/megolm/MXOutboundSessionInfo.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/algorithms/megolm/MXOutboundSessionInfo.kt
index 5a68937868..b70e6c1f80 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/algorithms/megolm/MXOutboundSessionInfo.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/algorithms/megolm/MXOutboundSessionInfo.kt
@@ -35,7 +35,7 @@ internal class MXOutboundSessionInfo(
         val sessionLifetime = System.currentTimeMillis() - creationTime
 
         if (useCount >= rotationPeriodMsgs || sessionLifetime >= rotationPeriodMs) {
-            Timber.v("## needsRotation() : Rotating megolm session after " + useCount + ", " + sessionLifetime + "ms")
+            Timber.v("## needsRotation() : Rotating megolm session after $useCount, ${sessionLifetime}ms")
             needsRotation = true
         }
 
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/content/ThumbnailExtractor.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/content/ThumbnailExtractor.kt
index 82cd682eae..55db64f309 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/content/ThumbnailExtractor.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/content/ThumbnailExtractor.kt
@@ -66,7 +66,7 @@ internal class ThumbnailExtractor @Inject constructor(
                 thumbnail.recycle()
                 outputStream.reset()
             } ?: run {
-                Timber.e("Cannot extract video thumbnail at %s", attachment.queryUri.toString())
+                Timber.e("Cannot extract video thumbnail at ${attachment.queryUri}")
             }
         } catch (e: Exception) {
             Timber.e(e, "Cannot extract video thumbnail")