diff --git a/dev-lang/crystal/crystal-1.21.0.ebuild b/dev-lang/crystal/crystal-1.21.0.ebuild
index 0462616e0087a..57bcab77bdef3 100644
--- a/dev-lang/crystal/crystal-1.21.0.ebuild
+++ b/dev-lang/crystal/crystal-1.21.0.ebuild
@@ -24,7 +24,7 @@ SRC_URI="
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="~amd64"
+KEYWORDS="amd64"
 IUSE="doc debug llvm-libunwind"
 RESTRICT="test"  # Upstream test suite not reliable.