diff --git a/eclass/db-use.eclass b/eclass/db-use.eclass
index 3e5d6f63fa2e5..99f31a17a7385 100644
--- a/eclass/db-use.eclass
+++ b/eclass/db-use.eclass
@@ -52,7 +52,7 @@ db_findver() {
 
 	PKG="$(best_version $1)"
 	VER="$(ver_cut 1-2 "${PKG/*db-/}")"
-	if [ -d "${EPREFIX}"/usr/include/db$(db_ver_to_slot "$VER") ]; then
+	if [ -d "${ESYSROOT}"/usr/include/db$(db_ver_to_slot "$VER") ]; then
 		#einfo "Found db version ${VER}" >&2
 		echo -n "$VER"
 		return 0
@@ -71,8 +71,8 @@ db_includedir() {
 		VER="$(db_findver sys-libs/db)" || return 1
 		VER="$(db_ver_to_slot "$VER")"
 		echo "include version ${VER}" >&2
-		if [ -d "${EPREFIX}/usr/include/db${VER}" ]; then
-			echo -n "${EPREFIX}/usr/include/db${VER}"
+		if [ -d "${ESYSROOT}/usr/include/db${VER}" ]; then
+			echo -n "${ESYSROOT}/usr/include/db${VER}"
 			return 0
 		else
 			eerror "sys-libs/db package requested, but headers not found" >&2
@@ -83,8 +83,8 @@ db_includedir() {
 		for x in $@
 		do
 			if VER=$(db_findver "=sys-libs/db-${x}*") &&
-			   [ -d "${EPREFIX}/usr/include/db$(db_ver_to_slot $VER)" ]; then
-				echo -n "${EPREFIX}/usr/include/db$(db_ver_to_slot $VER)"
+			   [ -d "${ESYSROOT}/usr/include/db$(db_ver_to_slot $VER)" ]; then
+				echo -n "${ESYSROOT}/usr/include/db$(db_ver_to_slot $VER)"
 				return 0
 			fi
 		done
@@ -102,7 +102,7 @@ db_includedir() {
 db_libname() {
 	if [ $# -eq 0 ]; then
 		VER="$(db_findver sys-libs/db)" || return 1
-		if [ -e "${EPREFIX}/usr/$(get_libdir)/libdb-${VER}$(get_libname)" ]; then
+		if [ -e "${ESYSROOT}/usr/$(get_libdir)/libdb-${VER}$(get_libname)" ]; then
 			echo -n "db-${VER}"
 			return 0
 		else
@@ -114,7 +114,7 @@ db_libname() {
 		for x in $@
 		do
 			if VER=$(db_findver "=sys-libs/db-${x}*"); then
-				if [ -e "${EPREFIX}/usr/$(get_libdir)/libdb-${VER}$(get_libname)" ]; then
+				if [ -e "${ESYSROOT}/usr/$(get_libdir)/libdb-${VER}$(get_libname)" ]; then
 					echo -n "db-${VER}"
 					return 0
 				fi