X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=core%2Fsrc%2Fnet%2Fsf%2Fopenrocket%2Fgui%2Fcustomexpression%2FOperatorSelector.java;h=d51af30ccac27dedd5ac90e85565b9a14c291a5a;hb=48710c7f8990d6bfa7c440f8db01c72c8dced79e;hp=be13514f072c292b6b8ecc53bc4581c618ffbdcc;hpb=975d14d0e1e501b00c132784708e85047f67a785;p=debian%2Fopenrocket

diff --git a/core/src/net/sf/openrocket/gui/customexpression/OperatorSelector.java b/core/src/net/sf/openrocket/gui/customexpression/OperatorSelector.java
index be13514f..d51af30c 100644
--- a/core/src/net/sf/openrocket/gui/customexpression/OperatorSelector.java
+++ b/core/src/net/sf/openrocket/gui/customexpression/OperatorSelector.java
@@ -66,7 +66,7 @@ public class OperatorSelector extends JDialog {
 				Point p = e.getPoint();
 				int row = table.rowAtPoint(p);
 				int col = table.columnAtPoint(p);
-				if (col == 1){
+				if (col == 1 && row > -1){
 					String description = String.valueOf(table.getValueAt(row, 1));
 					description = TextUtil.wrap(description, 60);
 					table.setToolTipText(description);