diff --git a/src/add-ons/kernel/file_systems/nfs4/Inode.cpp b/src/add-ons/kernel/file_systems/nfs4/Inode.cpp
index a60345c973..aad4b5eef8 100644
--- a/src/add-ons/kernel/file_systems/nfs4/Inode.cpp
+++ b/src/add-ons/kernel/file_systems/nfs4/Inode.cpp
@@ -182,7 +182,7 @@ Inode::RevalidateFileCache()
 		fMaxFileSize = st.st_size;
 	fFileCache = file_cache_create(fFileSystem->DevId(), ID(), fMaxFileSize);
 
-	change = fChange;
+	fChange = change;
 	return B_OK;
 }
 
diff --git a/src/add-ons/kernel/file_systems/nfs4/InodeRegular.cpp b/src/add-ons/kernel/file_systems/nfs4/InodeRegular.cpp
index c97ae59613..a792fc05e5 100644
--- a/src/add-ons/kernel/file_systems/nfs4/InodeRegular.cpp
+++ b/src/add-ons/kernel/file_systems/nfs4/InodeRegular.cpp
@@ -353,6 +353,8 @@ Inode::Read(OpenFileCookie* cookie, off_t pos, void* buffer, size_t* _length)
 	bool eof = false;
 	if ((cookie->fMode & O_NOCACHE) != 0)
 		return ReadDirect(cookie, pos, buffer, _length, &eof);
+
+	MutexLocker _(fFileCacheLock);
 	return file_cache_read(fFileCache, cookie, pos, buffer, _length);
 }