diff --git a/dev-libs/libassuan/libassuan-2.5.7.ebuild b/dev-libs/libassuan/libassuan-2.5.7.ebuild
index a643fe3285011..6c1e995055139 100644
--- a/dev-libs/libassuan/libassuan-2.5.7.ebuild
+++ b/dev-libs/libassuan/libassuan-2.5.7.ebuild
@@ -44,6 +44,7 @@ src_prepare() {
 src_configure() {
 	local myeconfargs=(
 		GPG_ERROR_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpg-error-config"
+		GPGRT_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpgrt-config"
 		$("${S}/configure" --help | grep -o -- '--without-.*-prefix')
 	)
 	econf "${myeconfargs[@]}"
diff --git a/dev-libs/libassuan/libassuan-3.0.0-r1.ebuild b/dev-libs/libassuan/libassuan-3.0.0-r1.ebuild
index f8806b8ba3e63..be5e09926630b 100644
--- a/dev-libs/libassuan/libassuan-3.0.0-r1.ebuild
+++ b/dev-libs/libassuan/libassuan-3.0.0-r1.ebuild
@@ -38,6 +38,7 @@ src_prepare() {
 src_configure() {
 	local myeconfargs=(
 		GPG_ERROR_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpg-error-config"
+		GPGRT_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpgrt-config"
 		$("${S}/configure" --help | grep -o -- '--without-.*-prefix')
 	)
 	econf "${myeconfargs[@]}"
diff --git a/dev-libs/libassuan/libassuan-3.0.1-r1.ebuild b/dev-libs/libassuan/libassuan-3.0.1-r1.ebuild
index 3694c68e97cc4..e1abcba6fe673 100644
--- a/dev-libs/libassuan/libassuan-3.0.1-r1.ebuild
+++ b/dev-libs/libassuan/libassuan-3.0.1-r1.ebuild
@@ -38,6 +38,7 @@ src_prepare() {
 src_configure() {
 	local myeconfargs=(
 		GPG_ERROR_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpg-error-config"
+		GPGRT_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpgrt-config"
 		$("${S}/configure" --help | grep -o -- '--without-.*-prefix')
 	)
 	econf "${myeconfargs[@]}"