diff --git a/rs/nns/governance/src/neuron/types.rs b/rs/nns/governance/src/neuron/types.rs
index aefe8fa20a4..142a04c1153 100644
--- a/rs/nns/governance/src/neuron/types.rs
+++ b/rs/nns/governance/src/neuron/types.rs
@@ -954,7 +954,8 @@ impl Neuron {
 
         // 3.2: Now, we know when self is "dissolved" (could be in the past, present, or future).
         // Thus, we can evaluate whether that happened sufficiently long ago.
-        let max_dissolved_at_timestamp_seconds_to_be_inactive = now - 2 * 7 * ONE_DAY_SECONDS;
+        let max_dissolved_at_timestamp_seconds_to_be_inactive =
+            now.saturating_sub(2 * 7 * ONE_DAY_SECONDS);
         if dissolved_at_timestamp_seconds > max_dissolved_at_timestamp_seconds_to_be_inactive {
             return false;
         }