diff --git a/Ext4Crypt.cpp b/Ext4Crypt.cpp
index 309a1f2..eaac26a 100644
--- a/Ext4Crypt.cpp
+++ b/Ext4Crypt.cpp
@@ -176,6 +176,14 @@
     }
     LOG(DEBUG) << "Added key " << key_id << " (" << ref << ") to keyring " << device_keyring
                << " in process " << getpid();
+
+    // *TODO* Remove this code when kernel is fixed - see b/28373400
+    // Kernel preserves caches across a key insertion with ext4ice, which leads
+    // to contradictory dirents
+    if (!android::base::WriteStringToFile("3", "/proc/sys/vm/drop_caches")) {
+        PLOG(ERROR) << "Failed to drop_caches";
+    }
+
     return true;
 }