diff --git a/org.eclipse.richbeans.widgets/src/org/eclipse/richbeans/widgets/scalebox/NumberBox.java b/org.eclipse.richbeans.widgets/src/org/eclipse/richbeans/widgets/scalebox/NumberBox.java
index 04dff68..20bfedf 100644
--- a/org.eclipse.richbeans.widgets/src/org/eclipse/richbeans/widgets/scalebox/NumberBox.java
+++ b/org.eclipse.richbeans.widgets/src/org/eclipse/richbeans/widgets/scalebox/NumberBox.java
@@ -651,6 +651,11 @@ public double getNumericValue(String txt) {
 				}
 			}
 		}
+		try {
+			return Double.valueOf(txt);
+		} catch (java.lang.NumberFormatException ne) {
+			// Fall through.
+		}
 		return Double.NaN;
 	}