diff --git a/gdb/.Sanitize b/gdb/.Sanitize
index 8bc8b8edde..59da6b5040 100644
--- a/gdb/.Sanitize
+++ b/gdb/.Sanitize
@@ -33,16 +33,16 @@ fi
 
 gdbtk_files="gdbtk.c gdbtk.tcl mswin"
 
-if ( echo $* | grep keep\-gdbtk > /dev/null ) ; then
-	keep_these_too="${gdbtk_files} ${keep_these_too}"
-	if [ -n "${verbose}" ] ; then
-		echo Keeping ${gdbtk_files}
-	fi
-else
+if ( echo $* | grep lose\-gdbtk > /dev/null ) ; then
 	lose_these_too="${gdbtk_files} ${lose_these_too}"
 	if [ -n "${verbose}" ] ; then
 		echo Deleting ${gdbtk_files}
 	fi
+else
+	keep_these_too="${gdbtk_files} ${keep_these_too}"
+	if [ -n "${verbose}" ] ; then
+		echo Keeping ${gdbtk_files}
+	fi
 fi
 
 # All files listed between the "Things-to-keep:" line and the