diff --git a/src/mesa/main/points.c b/src/mesa/main/points.c
index ff19d1f6758..7e115eb9b13 100644
--- a/src/mesa/main/points.c
+++ b/src/mesa/main/points.c
@@ -36,6 +36,12 @@
 #include "api_exec_decl.h"
 
 
+static void
+is_point_size_one(struct gl_context *ctx)
+{
+   ctx->PointSizeIsOne = ctx->Point.Size == 1.0;
+}
+
 /**
  * Set current point size.
  * \param size  point diameter in pixels
@@ -54,7 +60,7 @@ point_size(struct gl_context *ctx, GLfloat size, bool no_error)
 
    FLUSH_VERTICES(ctx, _NEW_POINT, GL_POINT_BIT);
    ctx->Point.Size = size;
-   ctx->PointSizeIsOne = ctx->Point.Size == 1.0;
+   is_point_size_one(ctx);
 }