diff --git a/src/formatters.jl b/src/formatters.jl
index befe863..b39710a 100644
--- a/src/formatters.jl
+++ b/src/formatters.jl
@@ -434,7 +434,7 @@ function formatfigures(chunk, docformat::Hugo)
         end
         "{{< figure src=\"$(joinpath(relpath, fig))\" $(title_spec) >}}"
     end
-    mapreduce(format_shortcode, *, "", enumerate(chunk.figures))
+    mapreduce(format_shortcode, *, enumerate(chunk.figures), init="")
 end
 
 function formatfigures(chunk, docformat::MultiMarkdown)
diff --git a/src/readers.jl b/src/readers.jl
index 63d593a..9ca18a9 100644
--- a/src/readers.jl
+++ b/src/readers.jl
@@ -158,7 +158,7 @@ end
 
 """Parse .jl scripts with Weave.jl markup"""
 function parse_doc(document::AbstractString, format::ScriptInput)
-  document = replace(document, "\r\n", "\n")
+  document = replace(document, "\r\n" => "\n")
   lines = split(document, "\n")
 
   doc_line = format.doc_line
@@ -184,9 +184,9 @@ function parse_doc(document::AbstractString, format::ScriptInput)
   for lineno in 1:length(lines)
     line = lines[lineno]
     if (m = match(doc_line, line)) != nothing && (m = match(opt_line, line)) == nothing
-          line = replace(line, doc_start, "", 1)
+          line = replace(line, doc_start => "", count=1)
       if startswith(line, " ")
-          line = replace(line, " ", "", 1)
+          line = replace(line, " " => "", count=1)
       end
       if state == "code"  && strip(read) != ""
           chunk = CodeChunk("\n" * strip(read), codeno, start_line, optionString, options)
@@ -212,7 +212,7 @@ function parse_doc(document::AbstractString, format::ScriptInput)
           docno += 1
       end
 
-      optionString = replace(line, opt_start, "", 1)
+      optionString = replace(line, opt_start => "", count=1)
       #Get options
       options = Dict{Symbol,Any}()
       if length(optionString) > 0
diff --git a/src/run.jl b/src/run.jl
index 97d18d1..87dced3 100644
--- a/src/run.jl
+++ b/src/run.jl
@@ -40,7 +40,7 @@ function Base.run(doc::WeaveDoc; doctype = :auto, plotlib=:auto,
     cache == :off || @eval import FileIO, JLD2
 
     #This is needed for latex and should work on all output formats
-    Sys.iswindows() && (fig_path = replace(fig_path, "\\", "/"))
+    Sys.iswindows() && (fig_path = replace(fig_path, "\\" => "/"))
 
     doc.fig_path = fig_path
     set_rc_params(doc.format.formatdict, fig_path, fig_ext)