diff --git a/rerun_cpp/src/rerun/recording_stream.cpp b/rerun_cpp/src/rerun/recording_stream.cpp
index 6e4beb273572..e645425460eb 100644
--- a/rerun_cpp/src/rerun/recording_stream.cpp
+++ b/rerun_cpp/src/rerun/recording_stream.cpp
@@ -7,6 +7,7 @@
 
 #include <arrow/buffer.h>
 
+#include <cassert>
 #include <string> // to_string
 #include <vector>
 
@@ -18,6 +19,9 @@ namespace rerun {
 
             case StoreKind::Blueprint:
                 return RR_STORE_KIND_BLUEPRINT;
+
+            default:
+                assert(false && "unreachable");
         }
 
         // This should never happen since if we missed a switch case we'll get a warning on
diff --git a/tests/cpp/plot_dashboard_stress/main.cpp b/tests/cpp/plot_dashboard_stress/main.cpp
index e3181c01b895..9a582b1e4249 100644
--- a/tests/cpp/plot_dashboard_stress/main.cpp
+++ b/tests/cpp/plot_dashboard_stress/main.cpp
@@ -147,9 +147,12 @@ int main(int argc, char** argv) {
 
     std::vector<size_t> offsets;
     if (temporal_batch_size.has_value()) {
+        // GCC wrongfully thinks that `temporal_batch_size` is uninitialized despite being initialized upon creation.
+        RR_DISABLE_MAYBE_UNINITIALIZED_PUSH
         for (size_t i = 0; i < num_points_per_series; i += *temporal_batch_size) {
             offsets.push_back(i);
         }
+        RR_DISABLE_MAYBE_UNINITIALIZED_POP
     } else {
         offsets.resize(sim_times.size());
         std::iota(offsets.begin(), offsets.end(), 0);