diff --git a/dev-python/pymetar/pymetar-1.1.ebuild b/dev-python/pymetar/pymetar-1.1.ebuild
index 0e20724ba1883..74501180f12e3 100644
--- a/dev-python/pymetar/pymetar-1.1.ebuild
+++ b/dev-python/pymetar/pymetar-1.1.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=( python3_5 python3_6 python3_7 )
+PYTHON_COMPAT=( python3_{5,6,7} )
 
 inherit distutils-r1