diff --git a/rfbplayer/FbsInputStream.cxx b/rfbplayer/FbsInputStream.cxx
index 4b5da6f..a173beb 100644
--- a/rfbplayer/FbsInputStream.cxx
+++ b/rfbplayer/FbsInputStream.cxx
@@ -36,6 +36,8 @@
   seekBackwards = false;
   paused        = false;
 
+  interruptDelay = false;
+
   fbsFile = fopen(FileName, "rb");
   if (fbsFile == NULL) {
     char *msg = new char[12 + sizeof(FileName)];
@@ -142,14 +144,15 @@
     }
   }
 
-  while (true) {
+  while (!interruptDelay) {
     long timeDiff = startTime + timeOffset - GetTickCount();
     if (timeDiff <= 0) {
 	    break;
     }
-    Sleep(timeDiff);
+    Sleep(min(20, timeDiff));
     waitWhilePaused();
   }
+  interruptDelay = false;
 
   return nItems;
 }
@@ -192,6 +195,10 @@
   }
 }
 
+void FbsInputStream::interruptFrameDelay() {
+  interruptDelay = true;
+}
+
 //
 // Methods providing additional functionality.
 //