diff --git a/src/zm_config.h.z b/src/zm_config.h.z
index 9c246f27e..06218675f 100644
--- a/src/zm_config.h.z
+++ b/src/zm_config.h.z
@@ -41,6 +41,7 @@
 
 #define ZM_STRICT_VIDEO_CONFIG	<from zmconfig>		// Whether to allow errors in setting video config to be fatal
 #define ZM_LOCAL_BGR_INVERT		<from zmconfig>		// Invert BGR colours to RGB
+#define ZM_COLOUR_JPEG_FILES	<from zmconfig>		// Colourise greyscale JPEG files
 
 #define ZM_JPEG_FILE_QUALITY	<from zmconfig>		// Set the JPEG quality setting for the saved event files
 #define ZM_JPEG_IMAGE_QUALITY	<from zmconfig>		// Set the JPEG quality setting for the streamed 'live' images
diff --git a/src/zm_image.cpp b/src/zm_image.cpp
index fe64a6345..86e7e3e15 100644
--- a/src/zm_image.cpp
+++ b/src/zm_image.cpp
@@ -98,6 +98,14 @@ void Image::ReadJpeg( const char *filename )
 
 void Image::WriteJpeg( const char *filename ) const
 {
+	if ( ZM_COLOUR_JPEG_FILES && colours == 1 )
+	{
+		Image *temp_image = new Image( *this );
+		temp_image->Colourise();
+		temp_image->WriteJpeg( filename );
+		return;
+	}
+
 	struct jpeg_compress_struct cinfo;
 	struct jpeg_error_mgr jerr;
 	cinfo.err = jpeg_std_error(&jerr);
@@ -113,6 +121,7 @@ void Image::WriteJpeg( const char *filename ) const
 
 	cinfo.image_width = width; 	/* image width and height, in pixels */
 	cinfo.image_height = height;
+
 	cinfo.input_components = colours;	/* # of color components per pixel */
 	if ( colours == 1 )
 	{