diff --git a/src/glew.c b/src/glew.c
index b8a66b9..ed10bdb 100644
--- a/src/glew.c
+++ b/src/glew.c
@@ -17966,7 +17966,6 @@ static GLenum GLEWAPIENTRY glewContextInit ()
   const GLubyte* s;
   GLuint dot;
   GLint major, minor;
-  size_t n;
 
   #ifdef _WIN32
   getString = glGetString;
@@ -18017,8 +18016,11 @@ static GLenum GLEWAPIENTRY glewContextInit ()
     GLEW_VERSION_1_1   = GLEW_VERSION_1_2   == GL_TRUE || ( major == 1 && minor >= 1 ) ? GL_TRUE : GL_FALSE;
   }
 
-  for (n = 0; n < sizeof(_glewExtensionString) / sizeof(_glewExtensionString[0]); ++n)
-    _glewExtensionString[n] = GL_FALSE;
+  {
+    size_t i;
+    for (i = 0; i < sizeof(_glewExtensionString) / sizeof(_glewExtensionString[0]); ++i)
+      _glewExtensionString[i] = GL_FALSE;
+  }
 
   if (GLEW_VERSION_3_0)
   {