--- a/OSProcess.st	Thu Mar 28 15:21:35 2019 +0100
+++ b/OSProcess.st	Thu Mar 28 15:22:46 2019 +0100
@@ -1,3 +1,5 @@
+"{ Encoding: utf8 }"
+
 "{ Package: 'stx:libbasic' }"
 
 "{ NameSpace: Smalltalk }"
@@ -686,7 +688,7 @@
     pipe := PipeStream makePipe.
     externalStream := pipe at:1.
     shuffledStream := pipe at:2.
-    shuffledStream setCommandString:('Stdin of: ',command).
+    shuffledStream setCommandString:('Stdin of: ', command printString).
     lineWise ifFalse:[
         shuffledStream blocking:false.
     ].
@@ -752,7 +754,7 @@
     pipe := PipeStream makePipe.
     externalStream := pipe at:2.
     shuffledStream := pipe at:1.
-    shuffledStream setCommandString:('Stdout/err of: ',command).
+    shuffledStream setCommandString:('Stdout/err of: ', command printString).
     aStream isBinary ifTrue:[
         shuffledStream binary.
     ].