diff --git a/src/Text/Pandoc/Writers/ZimWiki.hs b/src/Text/Pandoc/Writers/ZimWiki.hs
index 84b60fdfe..4d0680bc9 100644
--- a/src/Text/Pandoc/Writers/ZimWiki.hs
+++ b/src/Text/Pandoc/Writers/ZimWiki.hs
@@ -109,9 +109,7 @@ blockToZimWiki opts (Para [Image attr txt (src,'f':'i':'g':':':tit)]) = do
   let opt = if null txt
                then ""
                else "|" ++ if null tit then capt else tit ++ capt
-      -- Relative links fail isURI and receive a colon
-      prefix = if isURI src then "" else ":"
-  return $ "{{" ++ prefix ++ src ++ imageDims opts attr ++ opt ++ "}}\n"
+  return $ "{{" ++ src ++ imageDims opts attr ++ opt ++ "}}\n"
 
 blockToZimWiki opts (Para inlines) = do
   indent <- gets stIndent
@@ -383,9 +381,7 @@ inlineToZimWiki opts (Image attr alt (source, tit)) = do
               ("", _, False ) -> "|" ++ alt'
               (_ , _, False ) -> "|" ++ tit
               (_ , _, True )  -> ""
-      -- Relative links fail isURI and receive a colon
-      prefix = if isURI source then "" else ":"
-  return $ "{{" ++ prefix ++ source ++ imageDims opts attr ++ txt ++ "}}"
+  return $ "{{" ++ source ++ imageDims opts attr ++ txt ++ "}}"
 
 inlineToZimWiki opts (Note contents) = do
   -- no concept of notes in zim wiki, use a text block
diff --git a/test/writer.zimwiki b/test/writer.zimwiki
index 7783b836c..4b384fb20 100644
--- a/test/writer.zimwiki
+++ b/test/writer.zimwiki
@@ -593,9 +593,9 @@ or here: <http://example.com/>
 
 From “Voyage dans la Lune” by Georges Melies (1902):
 
-{{:lalune.jpg|Voyage dans la Lune lalune}}
+{{lalune.jpg|Voyage dans la Lune lalune}}
 
-Here is a movie {{:movie.jpg|movie}} icon.
+Here is a movie {{movie.jpg|movie}} icon.
 
 
 ----