diff --git a/include/osg/State b/include/osg/State
index 7cefaf155..f9a227df9 100644
--- a/include/osg/State
+++ b/include/osg/State
@@ -480,7 +480,7 @@ class OSG_EXPORT State : public Referenced, public Observer
         typedef std::vector<GLushort> Indices;
         Indices _quadIndices[6];
 
-        void drawQuads(GLint first, GLsizei count, GLsizei primCount=1);
+        void drawQuads(GLint first, GLsizei count, GLsizei primCount=0);
 
         inline void glDrawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei primcount)
         {