diff --git a/tdesudo/tdesudo.cpp b/tdesudo/tdesudo.cpp
index b35c6e7..cc270b2 100644
--- a/tdesudo/tdesudo.cpp
+++ b/tdesudo/tdesudo.cpp
@@ -239,7 +239,7 @@ KdeSudo::KdeSudo(TQWidget *parent, const char *name,const TQString& icon, const
 			*p << "ICEAUTHORITY=" + iceauthorityFile;
 
 		if (!kdeSycoca.isEmpty())
-			*p << "KDESYCOCA=" + kdeSycoca;
+			*p << "TDESYCOCA=" + kdeSycoca;
 
 		if (realtime)
 		{