diff --git a/dev-python/pyopenssl/pyopenssl-17.2.0.ebuild b/dev-python/pyopenssl/pyopenssl-17.2.0.ebuild
index e417175b253bb..16630e5d7b901 100644
--- a/dev-python/pyopenssl/pyopenssl-17.2.0.ebuild
+++ b/dev-python/pyopenssl/pyopenssl-17.2.0.ebuild
@@ -51,8 +51,7 @@ python_compile_all() {
 }
 
 python_test() {
-	# FIXME: for some reason, no-ops on PyPy
-	py.test -v || die "Testing failed with ${EPYTHON}"
+	TZ=UTC py.test -v || die "Testing failed with ${EPYTHON}" # Fixes bug #627530
 }
 
 python_install_all() {
diff --git a/dev-python/pyopenssl/pyopenssl-17.3.0.ebuild b/dev-python/pyopenssl/pyopenssl-17.3.0.ebuild
index d873a6b97ce34..bd636d9c7a75d 100644
--- a/dev-python/pyopenssl/pyopenssl-17.3.0.ebuild
+++ b/dev-python/pyopenssl/pyopenssl-17.3.0.ebuild
@@ -51,8 +51,7 @@ python_compile_all() {
 }
 
 python_test() {
-	# FIXME: for some reason, no-ops on PyPy
-	py.test -v || die "Testing failed with ${EPYTHON}"
+	TZ=UTC py.test -v || die "Testing failed with ${EPYTHON}" # Fixes bug #627530
 }
 
 python_install_all() {
diff --git a/dev-python/pyopenssl/pyopenssl-17.4.0.ebuild b/dev-python/pyopenssl/pyopenssl-17.4.0.ebuild
index d873a6b97ce34..bd636d9c7a75d 100644
--- a/dev-python/pyopenssl/pyopenssl-17.4.0.ebuild
+++ b/dev-python/pyopenssl/pyopenssl-17.4.0.ebuild
@@ -51,8 +51,7 @@ python_compile_all() {
 }
 
 python_test() {
-	# FIXME: for some reason, no-ops on PyPy
-	py.test -v || die "Testing failed with ${EPYTHON}"
+	TZ=UTC py.test -v || die "Testing failed with ${EPYTHON}" # Fixes bug #627530
 }
 
 python_install_all() {