diff --git a/test-app/src/main/java/org/readium/r2/testapp/utils/FileSystem.kt b/test-app/src/main/java/org/readium/r2/testapp/utils/FileSystem.kt
index 8fdebf3657..88d4adeb61 100644
--- a/test-app/src/main/java/org/readium/r2/testapp/utils/FileSystem.kt
+++ b/test-app/src/main/java/org/readium/r2/testapp/utils/FileSystem.kt
@@ -42,6 +42,7 @@ suspend fun InputStream.toFileUnsafe(file: File) {
         }
     } catch (e: Exception) {
         tryOrLog { file.delete() }
+        throw e
     }
 }