diff --git a/lib/image_utils.rb b/lib/image_utils.rb
index 57f630a5..d29fc8f9 100644
--- a/lib/image_utils.rb
+++ b/lib/image_utils.rb
@@ -4,8 +4,10 @@ module ImageUtils
   module_function
 
   def blank?(image)
-    min = (0...image.bands).map { |i| image.stats.getpoint(0, i)[0] }
-    max = (0...image.bands).map { |i| image.stats.getpoint(1, i)[0] }
+    stats = image.stats
+
+    min = (0...image.bands).map { |i| stats.getpoint(0, i)[0] }
+    max = (0...image.bands).map { |i| stats.getpoint(1, i)[0] }
 
     return true if min.all?(255) && max.all?(255)
     return true if min.all?(0) && max.all?(0)