diff --git a/ARMeilleure/Translation/PTC/Ptc.cs b/ARMeilleure/Translation/PTC/Ptc.cs
index 3baef401a6..c5cb123e44 100644
--- a/ARMeilleure/Translation/PTC/Ptc.cs
+++ b/ARMeilleure/Translation/PTC/Ptc.cs
@@ -196,7 +196,16 @@ namespace ARMeilleure.Translation.PTC
             {
                 int hashSize = md5.HashSize / 8;
 
-                deflateStream.CopyTo(stream);
+                try
+                {
+                    deflateStream.CopyTo(stream);
+                }
+                catch
+                {
+                    InvalidateCompressedStream(compressedStream);
+
+                    return false;
+                }
 
                 stream.Seek(0L, SeekOrigin.Begin);
 
diff --git a/ARMeilleure/Translation/PTC/PtcProfiler.cs b/ARMeilleure/Translation/PTC/PtcProfiler.cs
index dcc312750b..dbb3ed9d10 100644
--- a/ARMeilleure/Translation/PTC/PtcProfiler.cs
+++ b/ARMeilleure/Translation/PTC/PtcProfiler.cs
@@ -120,7 +120,16 @@ namespace ARMeilleure.Translation.PTC
             {
                 int hashSize = md5.HashSize / 8;
 
-                deflateStream.CopyTo(stream);
+                try
+                {
+                    deflateStream.CopyTo(stream);
+                }
+                catch
+                {
+                    InvalidateCompressedStream(compressedStream);
+
+                    return false;
+                }
 
                 stream.Seek(0L, SeekOrigin.Begin);
 
@@ -264,4 +273,4 @@ namespace ARMeilleure.Translation.PTC
             }
         }
     }
-}
\ No newline at end of file
+}