diff --git a/src/org/phpsrc/eclipse/pti/core/php/source/PHPSourceFile.java b/src/org/phpsrc/eclipse/pti/core/php/source/PHPSourceFile.java
index 10dfc48..d3c0e27 100644
--- a/src/org/phpsrc/eclipse/pti/core/php/source/PHPSourceFile.java
+++ b/src/org/phpsrc/eclipse/pti/core/php/source/PHPSourceFile.java
@@ -43,7 +43,7 @@ private void determineLinePositions(IFile file) throws CoreException, IOExceptio
 		lineStartTabCount = new ArrayList<Integer>();
 
 		InputStreamReader isr;
-		isr = new InputStreamReader(file.getContents());
+		isr = new InputStreamReader(file.getContents(), file.getCharset());
 
 		int last = -1;
 		int i = 0;