diff --git a/tcltk/netgen.tcl.in b/tcltk/netgen.tcl.in
index a58631e..f113214 100644
--- a/tcltk/netgen.tcl.in
+++ b/tcltk/netgen.tcl.in
@@ -194,15 +194,13 @@ proc netgen::convert_to_json {filename lvs_final} {
 	                   puts $fjson "          \],"
 			}
 		     }
+	             puts $fjson "        \]"
 		     if {$gidx == $glen} {
-	                puts $fjson "        \]"
+	                puts $fjson "      \]"
 		     } else {
-	                puts $fjson "        \],"
+	                puts $fjson "      \],"
 		     }
 		  }
-		  if {$glen > 0} {
-		     puts $fjson "      \]"
-		  }
 		  if {$kidx == $nkeys} {
 		     puts $fjson "   \]"
 		  } else {
@@ -275,15 +273,13 @@ proc netgen::convert_to_json {filename lvs_final} {
 	                   puts $fjson "          \],"
 			}
 		     }
+	             puts $fjson "        \]"
 		     if {$gidx == $glen} {
-	                puts $fjson "        \]"
+	                puts $fjson "      \]"
 		     } else {
-	                puts $fjson "        \],"
+	                puts $fjson "      \],"
 		     }
 		  }
-		  if {$glen > 0} {
-		     puts $fjson "      \]"
-		  }
 		  if {$kidx == $nkeys} {
 		     puts $fjson "   \]"
 		  } else {