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-rw-r--r--lib/rational.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rational.rb b/lib/rational.rb
index 45bd141c8d..5ed283cda0 100644
--- a/lib/rational.rb
+++ b/lib/rational.rb
@@ -434,7 +434,7 @@ class Integer
#
# The result is positive, no matter the sign of the arguments.
#
- def gcd(n)
+ def gcd(other)
min = self.abs
max = other.abs
while min > 0