diff --git a/freeglut/freeglut/src/freeglut_init.c b/freeglut/freeglut/src/freeglut_init.c
index bbe9ec8..cdb9e66 100644
--- a/freeglut/freeglut/src/freeglut_init.c
+++ b/freeglut/freeglut/src/freeglut_init.c
@@ -86,6 +86,7 @@ SFG_State fgState = { { -1, -1, GL_FALSE },  /* Position */
                       GL_FALSE,               /* JoysticksInitialised */
                       0,                      /* NumActiveJoysticks */
                       GL_FALSE,               /* InputDevsInitialised */
+                      0,                      /* MouseWheelTicks */
                       1,                      /* AuxiliaryBufferNumber */
                       4,                      /* SampleNumber */
                       1,                      /* MajorVersion */
@@ -442,6 +443,8 @@ void fgDeinitialize( void )
     fgState.JoysticksInitialised = GL_FALSE;
     fgState.InputDevsInitialised = GL_FALSE;
 
+	fgState.MouseWheelTicks = 0;
+
     fgState.MajorVersion = 1;
     fgState.MinorVersion = 0;
     fgState.ContextFlags = 0;
diff --git a/freeglut/freeglut/src/freeglut_internal.h b/freeglut/freeglut/src/freeglut_internal.h
index cfd0f5a..510764a 100644
--- a/freeglut/freeglut/src/freeglut_internal.h
+++ b/freeglut/freeglut/src/freeglut_internal.h
@@ -339,6 +339,8 @@ struct tagSFG_State
     int              NumActiveJoysticks;    /* Number of active joysticks -- if zero, don't poll joysticks */
     GLboolean        InputDevsInitialised;  /* Only initialize if application calls for them */
 
+	int              MouseWheelTicks;      /* Number of ticks the mouse wheel has turned */
+
     int              AuxiliaryBufferNumber;  /* Number of auxiliary buffers */
     int              SampleNumber;         /*  Number of samples per pixel  */