diff --git a/partition.cpp b/partition.cpp
index f2386d7..076c1cf 100644
--- a/partition.cpp
+++ b/partition.cpp
@@ -705,7 +705,9 @@
 		return false;
 	} else {
 #ifdef TW_INCLUDE_CRYPTO_SAMSUNG
-		if (EcryptFS_Password.size() > 0 && PartitionManager.Mount_By_Path("/data", false)) {
+		string MetaEcfsFile = EXPAND(TW_EXTERNAL_STORAGE_PATH);
+		MetaEcfsFile += "/.MetaEcfsFile";
+		if (EcryptFS_Password.size() > 0 && PartitionManager.Mount_By_Path("/data", false) && TWFunc::Path_Exists(MetaEcfsFile)) {
 			if (mount_ecryptfs_drive(EcryptFS_Password.c_str(), Mount_Point.c_str(), Mount_Point.c_str(), 0) != 0) {
 				if (Display_Error)
 					LOGE("Unable to mount ecryptfs for '%s'\n", Mount_Point.c_str());
diff --git a/partitionmanager.cpp b/partitionmanager.cpp
index e752a12..7ebd64f 100644
--- a/partitionmanager.cpp
+++ b/partitionmanager.cpp
@@ -1650,6 +1650,13 @@
 				sdcard->Is_Decrypted = true;
 				sdcard->EcryptFS_Password = Password;
 				sdcard->Decrypted_Block_Device = sdcard->Actual_Block_Device;
+				string MetaEcfsFile = EXPAND(TW_EXTERNAL_STORAGE_PATH);
+				MetaEcfsFile += "/.MetaEcfsFile";
+				if (!TWFunc::Path_Exists(MetaEcfsFile)) {
+					// External storage isn't actually encrypted so unmount and remount without ecryptfs
+					sdcard->UnMount(false);
+					sdcard->Mount(false);
+				}
 			} else {
 				sdcard->Is_Decrypted = false;
 				sdcard->Decrypted_Block_Device = "";