diff --git a/dev-lang/ruby/ruby-2.7.5.ebuild b/dev-lang/ruby/ruby-2.7.5.ebuild
index 51384cae5e3b3..7c21b8f77838a 100644
--- a/dev-lang/ruby/ruby-2.7.5.ebuild
+++ b/dev-lang/ruby/ruby-2.7.5.ebuild
@@ -102,7 +102,7 @@ src_prepare() {
 
 			# disable using security framework (GCC barfs on those headers)
 			sed -i \
-				-e '/MAC_OS_X_VERSION_MIN_REQUIRED/_DISABLED_/' \
+				-e 's/MAC_OS_X_VERSION_MIN_REQUIRED/_DISABLED_/' \
 				random.c || die
 		fi
 	fi