diff --git a/src/lib.rs b/src/lib.rs
index 85fc7e6..2fe88ee 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -953,8 +953,8 @@ mod test {
                 // Create fake temp file to simulate a crash.
                 let mut file = std::fs::OpenOptions::new()
                     .read(true)
-                    .write(true)
                     .create(true)
+                    .append(true)
                     .open(dir.path().join("tmp-open-123"))
                     .unwrap();
 
diff --git a/src/mmap_view_sync.rs b/src/mmap_view_sync.rs
index b73bbd4..0e37e5f 100644
--- a/src/mmap_view_sync.rs
+++ b/src/mmap_view_sync.rs
@@ -235,8 +235,8 @@ mod test {
 
         let mut file = fs::OpenOptions::new()
             .read(true)
-            .write(true)
             .create(true)
+            .append(true)
             .open(path)
             .unwrap();
         file.set_len(len).unwrap();