--- programs/systemg/code/SyGPrefsMgr.cc
+++ programs/systemg/code/SyGPrefsMgr.cc
@@ -41,7 +41,7 @@
 
 const JFileVersion kCurrentPrefsFileVersion 	= 4;
 
-const JCharacter* kSyGAppSig 					= "gSystemG";
+const JCharacter* kSyGAppSig 					= "desk/gSystemG";
 const JCharacter* kSyGDefaultTermCmd			= "xterm -title $n -n $n";
 const JCharacter* kSyGDefaultManCmd				= "jcc --man";