diff --git a/src/mathed/math_fracinset.C b/src/mathed/math_fracinset.C
index 6e27e9079c..69f935689e 100644
--- a/src/mathed/math_fracinset.C
+++ b/src/mathed/math_fracinset.C
@@ -96,6 +96,12 @@ void MathFracInset::maplize(MapleStream & os) const
 }
 
 
+void MathFracInset::octavize(OctaveStream & os) const
+{
+	os << '(' << cell(0) << ")/(" << cell(1) << ')';
+}
+
+
 void MathFracInset::mathmlize(MathMLStream & os) const
 {
 	os << MTag("mfrac") << cell(0) << cell(1) << ETag("mfrac");
diff --git a/src/mathed/math_fracinset.h b/src/mathed/math_fracinset.h
index b86509951d..771c2e9ece 100644
--- a/src/mathed/math_fracinset.h
+++ b/src/mathed/math_fracinset.h
@@ -35,6 +35,8 @@ public:
 	///
 	void maplize(MapleStream &) const;
 	///
+	void octavize(OctaveStream &) const;
+	///
 	void mathmlize(MathMLStream &) const;
 public:
 	///
diff --git a/src/mathed/math_scriptinset.C b/src/mathed/math_scriptinset.C
index f5c8a204bf..0310eeb792 100644
--- a/src/mathed/math_scriptinset.C
+++ b/src/mathed/math_scriptinset.C
@@ -359,7 +359,7 @@ void MathScriptInset::write2(MathInset const * nuc, WriteStream & os) const
 		}
 	} else
 			if (os.firstitem())
-				lyxerr << "suppressing {} \n";
+				lyxerr[Debug::MATHED] << "suppressing {} when writing\n";
 			else
 				os << "{}";