diff --git a/DiscImageChef/ImagePlugins/DiskCopy42.cs b/DiscImageChef/ImagePlugins/DiskCopy42.cs
index c5805af97..6166185b5 100644
--- a/DiscImageChef/ImagePlugins/DiskCopy42.cs
+++ b/DiscImageChef/ImagePlugins/DiskCopy42.cs
@@ -143,6 +143,7 @@ namespace DiscImageChef.ImagePlugins
             byte[] buffer = new byte[0x58];
             byte[] pString = new byte[64];
             stream.Read(buffer, 0, 0x58);
+            stream.Close();
 
             // Incorrect pascal string length, not DC42
             if (buffer[0] > 63)
@@ -221,6 +222,7 @@ namespace DiscImageChef.ImagePlugins
             byte[] buffer = new byte[0x58];
             byte[] pString = new byte[64];
             stream.Read(buffer, 0, 0x58);
+            stream.Close();
 
             // Incorrect pascal string length, not DC42
             if (buffer[0] > 63)
@@ -355,6 +357,8 @@ namespace DiscImageChef.ImagePlugins
 
             stream.Read(buffer, 0, (int)(length * bps));
 
+            stream.Close();
+
             return buffer;
         }
 
@@ -380,6 +384,8 @@ namespace DiscImageChef.ImagePlugins
 
             stream.Read(buffer, 0, (int)(length * bptag));
 
+            stream.Close();
+
             return buffer;
         }
 
diff --git a/DiscImageChef/ImagePlugins/TeleDisk.cs b/DiscImageChef/ImagePlugins/TeleDisk.cs
index 6d958d426..2c228124a 100644
--- a/DiscImageChef/ImagePlugins/TeleDisk.cs
+++ b/DiscImageChef/ImagePlugins/TeleDisk.cs
@@ -215,6 +215,7 @@ namespace DiscImageChef.ImagePlugins
             FileStream stream = new FileStream(imagePath, FileMode.Open, FileAccess.Read);
 
             stream.Read(headerBytes, 0, 12);
+            stream.Close();
 
             header.signature = BitConverter.ToUInt16(headerBytes, 0);
 
@@ -564,6 +565,7 @@ namespace DiscImageChef.ImagePlugins
                         biggestSectorSize = (uint)decodedData.Length;
                 }
             }
+            stream.Close();
             return true;
         }
         
diff --git a/DiscImageChef/ImagePlugins/ZZZRawImage.cs b/DiscImageChef/ImagePlugins/ZZZRawImage.cs
index e8501a741..42c61c847 100644
--- a/DiscImageChef/ImagePlugins/ZZZRawImage.cs
+++ b/DiscImageChef/ImagePlugins/ZZZRawImage.cs
@@ -102,6 +102,7 @@ namespace DiscImageChef.ImagePlugins
         {
             FileStream stream = new FileStream(imagePath, FileMode.Open, FileAccess.Read);
             stream.Seek(0, SeekOrigin.Begin);
+            stream.Close();
 
             FileInfo fi = new FileInfo(imagePath);
             string extension = Path.GetExtension(imagePath).ToLower();
@@ -294,6 +295,8 @@ namespace DiscImageChef.ImagePlugins
 
                 stream.Read(buffer, 0, (int)(length * sectorSize));
 
+                stream.Close();
+
                 return buffer;
 
             }