1 files changed, 2 insertions, 2 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb
index 80d28148ac..9de7dcb3a2 100644
--- a/lib/matrix.rb
+++ b/lib/matrix.rb
@@ -290,7 +290,7 @@ class Matrix
   end
 
   def row(i)
-    if iterator?
+    if block_given?
       for e in @rows[i]
 	yield e
 
@@ -301,7 +301,7 @@ class Matrix
   end
 
   def column(j)
-    if iterator?
+    if block_given?
       0.upto(row_size - 1) do
 	|i|
 	yield @rows[i][j]