diff --git a/include/alpaka/platform/PlatformUniformCudaHipRt.hpp b/include/alpaka/platform/PlatformUniformCudaHipRt.hpp
index ffda2de2faab..9784f54520b2 100644
--- a/include/alpaka/platform/PlatformUniformCudaHipRt.hpp
+++ b/include/alpaka/platform/PlatformUniformCudaHipRt.hpp
@@ -28,6 +28,12 @@ namespace alpaka
     template<typename TApi>
     struct PlatformUniformCudaHipRt : concepts::Implements<ConceptPlatform, PlatformUniformCudaHipRt<TApi>>
     {
+#    if defined(BOOST_COMP_GNUC) && BOOST_COMP_GNUC >= BOOST_VERSION_NUMBER(11, 0, 0)                                 \
+        && BOOST_COMP_GNUC < BOOST_VERSION_NUMBER(12, 0, 0)
+        // This is a workaround for g++-11 bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96295
+        // g++-11 complains in *all* places where a PlatformCpu is used, that it "may be used uninitialized"
+        char c = {};
+#    endif
     };
 
     namespace trait