diff --git a/src/juce_core/io/files/juce_FileInputStream.cpp b/src/juce_core/io/files/juce_FileInputStream.cpp
index d10858cd19..aeeed8d0cb 100644
--- a/src/juce_core/io/files/juce_FileInputStream.cpp
+++ b/src/juce_core/io/files/juce_FileInputStream.cpp
@@ -102,7 +102,7 @@ bool FileInputStream::setPosition (int64 pos)
 {
     pos = jlimit ((int64) 0, totalSize, pos);
 
-    needToSeek = currentPosition != pos;
+    needToSeek |= currentPosition != pos;
     currentPosition = pos;
 
     return true;