diff --git a/src/mathed/formula.C b/src/mathed/formula.C
index 00c040a9db..dc88673874 100644
--- a/src/mathed/formula.C
+++ b/src/mathed/formula.C
@@ -268,10 +268,8 @@ InsetFormula::localDispatch(BufferView * bv, kb_action action,
 			int x;
 			int y;
 			mathcursor->GetPos(x, y);
-			if (par()->GetType() == LM_OT_SIMPLE) {
+			if (par()->GetType() == LM_OT_SIMPLE)
 				par()->mutate(LM_OT_EQUATION);
-				par()->numbered(0, false);
-			}
 			else
 				par()->mutate(LM_OT_SIMPLE);
 			mathcursor->SetPos(x, y);
diff --git a/src/mathed/math_matrixinset.C b/src/mathed/math_matrixinset.C
index bed9f943b1..c3267d0294 100644
--- a/src/mathed/math_matrixinset.C
+++ b/src/mathed/math_matrixinset.C
@@ -454,7 +454,7 @@ void MathMatrixInset::mutate(short newtype)
 	switch (GetType()) {
 		case LM_OT_SIMPLE:
 			SetType(LM_OT_EQUATION);
-			numbered(false);
+			numbered(0, false);
 			mutate(newtype);
 			break;