diff --git a/common/logging.go b/common/logging.go
index 5efcfa20..6096fb75 100644
--- a/common/logging.go
+++ b/common/logging.go
@@ -67,7 +67,7 @@ func NewConsoleLogger(logLevel LogLevel) *ConsoleLogger {
 func (this ConsoleLogger) Error(format string, args ...interface{}) {
 	if this.LogLevel >= LogLevelError {
 		prefix := "[ERROR] "
-		this.output(os.Stdout, prefix, format, args...)
+		this.output(os.Stderr, prefix, format, args...)
 	}
 }
 
diff --git a/pdf/contentstream/inline-image.go b/pdf/contentstream/inline-image.go
index b3adf9df..5348351e 100644
--- a/pdf/contentstream/inline-image.go
+++ b/pdf/contentstream/inline-image.go
@@ -36,6 +36,7 @@ func NewInlineImageFromImage(img Image, encoder StreamEncoder) (*ContentStreamIn
 	if encoder == nil {
 		encoder = NewRawEncoder()
 	}
+	common.Log.Debug("NewInlineImageFromImage: encoder=%T", encoder)
 
 	inlineImage := ContentStreamInlineImage{}
 	if img.ColorComponents == 1 {