diff --git a/app/codec/oiio/oiiodecoder.cpp b/app/codec/oiio/oiiodecoder.cpp
index 8946ad6b6..395284c44 100644
--- a/app/codec/oiio/oiiodecoder.cpp
+++ b/app/codec/oiio/oiiodecoder.cpp
@@ -288,7 +288,7 @@ PixelFormat::Format OIIODecoder::GetFormatFromOIIOBasetype(const OIIO::ImageSpec
 
 rational OIIODecoder::GetPixelAspectRatioFromOIIO(const OIIO::ImageSpec &spec)
 {
-  return rational::fromDouble(spec.extra_attribs.get_float("PixelAspectRatio", 1));
+  return rational::fromDouble(spec.get_float_attribute("PixelAspectRatio", 1));
 }
 
 bool OIIODecoder::FileTypeIsSupported(const QString& fn)
diff --git a/app/common/commandlineparser.cpp b/app/common/commandlineparser.cpp
index 584f6f1f3..9585a0c69 100644
--- a/app/common/commandlineparser.cpp
+++ b/app/common/commandlineparser.cpp
@@ -124,8 +124,15 @@ void CommandLineParser::PrintHelp(const char* filename)
   basename = strrchr(filename, '/');
 #endif
 
-  printf("Usage: %s [options] %s\n\n", basename + 1, positional_args.toUtf8().constData());
+  if (basename) {
+    // Slash found, increment pointer to avoid showing the slash itself
+    basename++;
+  } else {
+    // If no slashes are found, assume string is already a basename
+    basename = filename;
+  }
 
+  printf("Usage: %s [options] %s\n\n", basename, positional_args.toUtf8().constData());
   foreach (const KnownOption& o, options_) {
     QString all_args;
 
diff --git a/app/common/commandlineparser.h b/app/common/commandlineparser.h
index 8f35ded73..10114d86a 100644
--- a/app/common/commandlineparser.h
+++ b/app/common/commandlineparser.h
@@ -22,6 +22,7 @@
 #define COMMANDLINEPARSER_H
 
 #include <QStringList>
+#include <QVector>
 
 #include "common/define.h"