diff --git a/ClientNoSqlDB/Storage/FileSystem/DbTableStorage.cs b/ClientNoSqlDB/Storage/FileSystem/DbTableStorage.cs
index dbe7d3a..a580beb 100644
--- a/ClientNoSqlDB/Storage/FileSystem/DbTableStorage.cs
+++ b/ClientNoSqlDB/Storage/FileSystem/DbTableStorage.cs
@@ -31,7 +31,7 @@ Stream OpenRead(string name, bool buffered = false)
                 {
                     return new FileStream(name, FileMode.OpenOrCreate, FileAccess.Read, FileShare.Read, buffered ? BufferSize : 4 * 1024);
                 }
-                catch
+                catch (IOException)
                 {
 
                     Thread.Sleep(100);
@@ -47,7 +47,7 @@ Stream OpenWrite(string name, bool buffered = false)
                 {
                     return new FileStream(name, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None, buffered ? BufferSize : 4 * 1024);
                 }
-                catch
+                catch (IOException)
                 {
                     Thread.Sleep(100);
                 }