diff --git a/src/error_handling.jl b/src/error_handling.jl
index 8062361b..a55345ee 100644
--- a/src/error_handling.jl
+++ b/src/error_handling.jl
@@ -60,7 +60,7 @@ Handles a list of thrown errors after no IO library was found working
 function handle_exceptions(exceptions::Vector, action)
     # first show all errors when there are more then one
     multiple = length(exceptions) > 1
-    println(STDERR, "Error$(multiple?"s" : "") encountered while $action.")
+    println(STDERR, "Error$(multiple ? "s" : "") encountered while $action.")
     if multiple
         println("All errors:")
         for (err, file) in exceptions
diff --git a/src/registry.jl b/src/registry.jl
index b08bb851..af09450d 100644
--- a/src/registry.jl
+++ b/src/registry.jl
@@ -141,10 +141,10 @@ add_format(format"GSLIB", (), [".gslib",".sgems"], [:GslibIO])
 ### Audio formats
 function detectwav(io)
     seekstart(io)
-    magic = read(io, UInt8, 4)
+    magic = read!(io, Vector{UInt8}(4))
     magic == b"RIFF" || return false
     seek(io, 8)
-    submagic = read(io, UInt8, 4)
+    submagic = read!(io, Vector{UInt8}(4))
 
     submagic == b"WAVE"
 end
@@ -157,10 +157,10 @@ add_format(format"FLAC","fLaC",".flac",[:FLAC])
 # AVI is a subtype of RIFF, as is WAV
 function detectavi(io)
     seekstart(io)
-    magic = read(io, UInt8, 4)
+    magic = read!(io, Vector{UInt8}(4))
     magic == b"RIFF" || return false
     seek(io, 8)
-    submagic = read(io, UInt8, 4)
+    submagic = read!(io, Vector{UInt8}(4))
 
     submagic == b"AVI "
 end