diff --git a/dev-util/lttng-tools/lttng-tools-2.13.14.ebuild b/dev-util/lttng-tools/lttng-tools-2.13.14.ebuild
index 5c8ab318c0d87..77e87b71801b3 100644
--- a/dev-util/lttng-tools/lttng-tools-2.13.14.ebuild
+++ b/dev-util/lttng-tools/lttng-tools-2.13.14.ebuild
@@ -41,7 +41,9 @@ src_configure() {
 	# bug 906928
 	use elibc_musl && append-cppflags -D_LARGEFILE64_SOURCE
 
-	econf $(usex ust "" --without-lttng-ust)
+	econf \
+		$(usex ust "" --without-lttng-ust) \
+		--disable-Werror
 }
 
 src_install() {
diff --git a/dev-util/lttng-tools/lttng-tools-2.13.9.ebuild b/dev-util/lttng-tools/lttng-tools-2.13.9.ebuild
index ce9797cfbfb16..d24f0b3772aee 100644
--- a/dev-util/lttng-tools/lttng-tools-2.13.9.ebuild
+++ b/dev-util/lttng-tools/lttng-tools-2.13.9.ebuild
@@ -52,7 +52,9 @@ src_configure() {
 	# bug 906928
 	use elibc_musl && append-cppflags -D_LARGEFILE64_SOURCE
 
-	econf $(usex ust "" --without-lttng-ust)
+	econf \
+		$(usex ust "" --without-lttng-ust) \
+		--disable-Werror
 }
 
 src_install() {