diff --git a/icons/unknown.svg b/icons/unknown.svg
new file mode 100644
index 000000000..d298b185d
--- /dev/null
+++ b/icons/unknown.svg
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   id="svg30031"
+   height="22"
+   version="1.1"
+   width="22">
+  <defs
+     id="defs3871" />
+  <metadata
+     id="metadata3874">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     transform="matrix(1 0 0 1 -326 -534.3622)"
+     id="layer1">
+    <rect
+       id="rect4035"
+       style="fill:#6c7a89"
+       height="10.999983"
+       y="535.98694"
+       x="326.49567"
+       width="0" />
+    <rect
+       id="rect4035-7"
+       style="fill:#6c7a89"
+       height="10.999983"
+       y="538.50604"
+       x="321.94366"
+       width="0" />
+    <rect
+       id="rect4035-9"
+       style="fill:#6c7a89"
+       height="10.999983"
+       y="526.08746"
+       x="317.43588"
+       width="0" />
+    <path
+       d="m 326.55607,534.89106 v 5.23559 14.39784 1.3089 h 13.08896 7.85338 v -1.3089 -6.54448 -7.85336 -5.23559 z m 1.3089,5.23559 h 18.32454 v 7.85336 6.54448 h -6.54448 -11.78006 z"
+       id="rect4138"
+       style="fill:#1a1a1a;stroke-width:1" />
+    <path
+       d="m 337.02658,541.43554 c -1.09037,0 -2.10865,0.33473 -2.82601,0.96252 -0.7175,0.62779 -1.10001,1.51912 -1.10001,2.4733 h 2.24321 c 0,-0.51813 0.17887,-0.85405 0.44291,-1.08494 0.26387,-0.23131 0.64823,-0.38757 1.2399,-0.38757 0.59277,0 0.97604,0.15629 1.2406,0.38757 0.26419,0.23088 0.44222,0.5668 0.44222,1.08494 0,0.45 -0.0995,0.64142 -0.2363,0.81111 -0.58495,0.5165 -1.29193,0.95765 -1.86023,1.38043 -0.64173,0.42128 -1.26837,0.97376 -1.26837,1.73518 v 0.4908 h 2.24349 v -0.4908 c 0.79773,-0.7143 1.98561,-1.33725 2.72577,-1.99215 0.39059,-0.48982 0.64016,-1.15709 0.64016,-1.93491 0,-0.95419 -0.38272,-1.84517 -1.09979,-2.47296 -0.71758,-0.62779 -1.73654,-0.96252 -2.82709,-0.96252 z m -1.68208,9.81708 v 1.96297 h 2.24349 v -1.96297 z"
+       id="rect4169-4"
+       style="fill:#000000;stroke-width:2;stroke-linecap:round;stroke-linejoin:round" />
+  </g>
+</svg>
diff --git a/subsurface.qrc b/subsurface.qrc
index 723afdc68..1281702ae 100644
--- a/subsurface.qrc
+++ b/subsurface.qrc
@@ -93,5 +93,6 @@
         <file alias="preferences-other-icon">icons/defaults.png</file>
         <file alias="camera-icon">icons/camera.svg</file>
         <file alias="video-icon">icons/video.svg</file>
+        <file alias="unknown-icon">icons/unknown.svg</file>
     </qresource>
 </RCC>