diff --git a/packages/xod-client/src/core/styles/components/Node.scss b/packages/xod-client/src/core/styles/components/Node.scss
index 36532a97..423f64dd 100644
--- a/packages/xod-client/src/core/styles/components/Node.scss
+++ b/packages/xod-client/src/core/styles/components/Node.scss
@@ -104,6 +104,9 @@
     &.error {
       stroke: $color-datatype-dead;
     }
+    &.generic {
+      stroke: $color-node-outline;
+    }
   }
 
   .nodeLabelContainer {
diff --git a/packages/xod-client/src/project/components/nodeParts/JumperNodeBody.jsx b/packages/xod-client/src/project/components/nodeParts/JumperNodeBody.jsx
index a9d05467..36370069 100644
--- a/packages/xod-client/src/project/components/nodeParts/JumperNodeBody.jsx
+++ b/packages/xod-client/src/project/components/nodeParts/JumperNodeBody.jsx
@@ -2,32 +2,28 @@ import R from 'ramda';
 import React from 'react';
 import PropTypes from 'prop-types';
 import classNames from 'classnames';
-import { foldEither } from 'xod-func-tools';
+import { foldEither, foldMaybe, maybePath } from 'xod-func-tools';
 import { NODE_CORNER_RADIUS } from '../../nodeLayout';
 
 const INPUT_PINKEY = '__in__';
 const OUTPUT_PINKEY = '__out__';
 
+const getDeducedTypeOfPin = R.curry((pinkey, pins) =>
+  R.compose(
+    foldMaybe('generic', R.identity),
+    R.map(foldEither('error', R.identity)),
+    maybePath([INPUT_PINKEY, 'deducedType'])
+  )(pins)
+);
+
 const JumperNodeBody = ({ pins }) => {
   const inConnected = R.path([INPUT_PINKEY, 'isConnected'], pins);
   const outConnected = R.path([OUTPUT_PINKEY, 'isConnected'], pins);
 
   const type = R.cond([
-    [
-      () => inConnected,
-      R.compose(
-        foldEither('error', R.identity),
-        R.path([INPUT_PINKEY, 'deducedType'])
-      ),
-    ],
-    [
-      () => outConnected,
-      R.compose(
-        foldEither('error', R.identity),
-        R.path([OUTPUT_PINKEY, 'deducedType'])
-      ),
-    ],
-    [R.T, R.always('')],
+    [() => inConnected, getDeducedTypeOfPin(INPUT_PINKEY)],
+    [() => outConnected, getDeducedTypeOfPin(OUTPUT_PINKEY)],
+    [R.T, R.always('generic')],
   ])(pins);
 
   const isConnected =