diff --git a/dev-java/gin/gin-2.1.2.ebuild b/dev-java/gin/gin-2.1.2.ebuild
index ef0a80cfdee87..d85c09d43cdd6 100644
--- a/dev-java/gin/gin-2.1.2.ebuild
+++ b/dev-java/gin/gin-2.1.2.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -55,15 +55,15 @@ JAVA_RM_FILES=(
 
 src_compile() {
 	local EANT_BUILD_TARGET="compile"
-	GWT_HOME="${EROOT}/usr/share/gwt-2.8/lib" \
+	GWT_HOME="${ESYSROOT}/usr/share/gwt-2.8/lib" \
 		java-pkg-2_src_compile
 	EANT_BUILD_TARGET="jars"
-	GWT_HOME="${EROOT}/usr/share/gwt-2.8/lib" \
+	GWT_HOME="${ESYSROOT}/usr/share/gwt-2.8/lib" \
 		java-pkg-2_src_compile
 }
 
 src_test() {
-	GWT_HOME="${EROOT}/usr/share/gwt-2.8/lib" \
+	GWT_HOME="${ESYSROOT}/usr/share/gwt-2.8/lib" \
 		ant test || die
 }