diff --git a/src/zm_camera.cpp b/src/zm_camera.cpp
index 30918e502..7abafee52 100644
--- a/src/zm_camera.cpp
+++ b/src/zm_camera.cpp
@@ -20,7 +20,7 @@
 #include "zm.h"
 #include "zm_camera.h"
 
-Camera::Camera( unsigned int p_monitor_id, SourceType p_type, int p_width, int p_height, int p_colours, int p_subpixelorder, int p_brightness, int p_contrast, int p_hue, int p_colour, bool p_capture, bool p_record_audio ) :
+Camera::Camera( unsigned int p_monitor_id, SourceType p_type, unsigned int p_width, unsigned int p_height, int p_colours, int p_subpixelorder, int p_brightness, int p_contrast, int p_hue, int p_colour, bool p_capture, bool p_record_audio ) :
     monitor_id( p_monitor_id ),
     type( p_type ),
     width( p_width),
diff --git a/src/zm_camera.h b/src/zm_camera.h
index ed9647c54..4d991d495 100644
--- a/src/zm_camera.h
+++ b/src/zm_camera.h
@@ -55,7 +55,7 @@ protected:
   bool          record_audio;
 
 public:
-  Camera( unsigned int p_monitor_id, SourceType p_type, int p_width, int p_height, int p_colours, int p_subpixelorder, int p_brightness, int p_contrast, int p_hue, int p_colour, bool p_capture, bool p_record_audio );
+  Camera( unsigned int p_monitor_id, SourceType p_type, unsigned int p_width, unsigned int p_height, int p_colours, int p_subpixelorder, int p_brightness, int p_contrast, int p_hue, int p_colour, bool p_capture, bool p_record_audio );
   virtual ~Camera();
 
   unsigned int getId() const { return( monitor_id ); }
@@ -88,7 +88,7 @@ public:
   virtual int PreCapture()=0;
   virtual int Capture( Image &image )=0;
   virtual int PostCapture()=0;
-  virtual int CaptureAndRecord( Image &image, bool recording, char* event_directory)=0;
+  virtual int CaptureAndRecord( Image &image, timeval recording, char* event_directory ) = 0;
 };
 
 #endif // ZM_CAMERA_H