diff --git a/dev-util/glslang/glslang-1.4.350.0.ebuild b/dev-util/glslang/glslang-1.4.350.0.ebuild
index 6c6201cea789f..b482f62436819 100644
--- a/dev-util/glslang/glslang-1.4.350.0.ebuild
+++ b/dev-util/glslang/glslang-1.4.350.0.ebuild
@@ -36,3 +36,11 @@ multilib_src_configure() {
 	)
 	cmake_src_configure
 }
+
+multilib_src_test() {
+	local CMAKE_SKIP_TESTS=(
+		# bug #977176 (https://github.com/KhronosGroup/glslang/issues/4180)
+		$(usev arm 'glslang-testsuite')
+	)
+	cmake_src_test
+}
diff --git a/dev-util/glslang/glslang-9999.ebuild b/dev-util/glslang/glslang-9999.ebuild
index 6c6201cea789f..b482f62436819 100644
--- a/dev-util/glslang/glslang-9999.ebuild
+++ b/dev-util/glslang/glslang-9999.ebuild
@@ -36,3 +36,11 @@ multilib_src_configure() {
 	)
 	cmake_src_configure
 }
+
+multilib_src_test() {
+	local CMAKE_SKIP_TESTS=(
+		# bug #977176 (https://github.com/KhronosGroup/glslang/issues/4180)
+		$(usev arm 'glslang-testsuite')
+	)
+	cmake_src_test
+}