diff --git a/src/mathed/InsetMathNest.cpp b/src/mathed/InsetMathNest.cpp
index 90007c072e..493f529d1e 100644
--- a/src/mathed/InsetMathNest.cpp
+++ b/src/mathed/InsetMathNest.cpp
@@ -735,10 +735,17 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
 	}
 
 	case LFUN_MOUSE_DOUBLE:
-	case LFUN_MOUSE_TRIPLE:
 	case LFUN_WORD_SELECT:
 		cur.pos() = 0;
+		cur.resetAnchor();
+		cur.setSelection(true);
+		cur.pos() = cur.lastpos();
+		cur.bv().cursor() = cur;
+		break;
+
+	case LFUN_MOUSE_TRIPLE:
 		cur.idx() = 0;
+		cur.pos() = 0;
 		cur.resetAnchor();
 		cur.setSelection(true);
 		cur.idx() = cur.lastidx();