diff --git a/GL/glx/glxserver.h b/GL/glx/glxserver.h
index ce91ce3d8..387489ab7 100644
--- a/GL/glx/glxserver.h
+++ b/GL/glx/glxserver.h
@@ -254,6 +254,6 @@ extern int __glXImageSize(GLenum format, GLenum type,
     GLint imageHeight, GLint rowLength, GLint skipImages, GLint skipRows,
     GLint alignment);
 
-extern int __glXDrawArraysSize(const GLbyte *pc, Bool swap);
+extern int __glXDrawArraysReqSize(const GLbyte *pc, Bool swap);
 
 #endif /* !__GLX_server_h__ */
diff --git a/GL/glx/rensize.c b/GL/glx/rensize.c
index 47d698905..c69619a61 100644
--- a/GL/glx/rensize.c
+++ b/GL/glx/rensize.c
@@ -323,7 +323,7 @@ int __glXTypeSize(GLenum enm)
   }
 }
 
-int __glXDrawArraysSize( const GLbyte *pc, Bool swap )
+int __glXDrawArraysReqSize( const GLbyte *pc, Bool swap )
 {
     __GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *) pc;
     __GLXdispatchDrawArraysComponentHeader *compHeader;
diff --git a/GL/glx/rensizetab.c b/GL/glx/rensizetab.c
index b9768a5b5..22dfc4961 100644
--- a/GL/glx/rensizetab.c
+++ b/GL/glx/rensizetab.c
@@ -235,7 +235,7 @@ __GLXrenderSizeData __glXRenderSizeTable[__GLX_MAX_RENDER_OPCODE_EXT - __GLX_MIN
 	/* Translatef          */	{  16, 	0                         },
 	/* Viewport            */	{  20, 	0                         },
 	/* PolygonOffset       */	{  12, 	0                         },
-	/* DrawArrays          */	{  16, 	__glXDrawArraysSize       },
+	/* DrawArrays          */	{  16, 	__glXDrawArraysReqSize    },
 	/* Indexubv            */	{  8, 	0                         },
 	/* ColorSubTable       */       {  44,  __glXColorSubTableReqSize },
 	/* CopyColorSubTable   */       {  24,  0                         },
@@ -2338,7 +2338,7 @@ __GLXrenderSizeData __glXRenderSizeTable_EXT[__GLX_MAX_RENDER_OPCODE_EXT - __GLX
 	/* ResetMinmax         */       {  8,                             },
 	/* TexImage3D          */       {  84,  __glXTexImage3DReqSize    },
 	/* TexSubImage3D       */       {  92,  __glXTexSubImage3DReqSize },
-	/* DrawArrays          */	{  16, 	__glXDrawArraysSize       },
+	/* DrawArrays          */	{  16, 	__glXDrawArraysReqSize    },
 	/* BindTexture         */	{  12, 	0                         },
 	/* PrioritizeTextures  */	{   8, 	__glXPrioritizeTexturesReqSize },
 	/* CopyTexImage1D      */	{  32, 	0 },