diff --git a/plugins/builtin/source/content/data_inspector.cpp b/plugins/builtin/source/content/data_inspector.cpp
index 470f738d7..515805c53 100644
--- a/plugins/builtin/source/content/data_inspector.cpp
+++ b/plugins/builtin/source/content/data_inspector.cpp
@@ -625,7 +625,12 @@ namespace hex::plugin::builtin {
 
             std::string value;
             try {
-                value = hex::format("{0:%a, %d.%m.%Y %H:%M:%S}", *std::localtime(&endianAdjustedTime));
+                auto time = std::localtime(&endianAdjustedTime);
+                if (time == nullptr) {
+                    value = "Invalid";
+                } else {
+                    value = hex::format("{0:%a, %d.%m.%Y %H:%M:%S}", *time);
+                }
             } catch (fmt::format_error &) {
                 value = "Invalid";
             }
@@ -640,7 +645,12 @@ namespace hex::plugin::builtin {
 
             std::string value;
             try {
-                value = hex::format("{0:%a, %d.%m.%Y %H:%M:%S}", *std::localtime(&endianAdjustedTime));
+                auto time = std::localtime(&endianAdjustedTime);
+                if (time == nullptr) {
+                    value = "Invalid";
+                } else {
+                    value = hex::format("{0:%a, %d.%m.%Y %H:%M:%S}", *time);
+                }
             } catch (fmt::format_error &) {
                 value = "Invalid";
             }
@@ -657,7 +667,12 @@ namespace hex::plugin::builtin {
 
             std::string value;
             try {
-                value = hex::format("{0:%a, %d.%m.%Y %H:%M:%S}", *std::localtime(&endianAdjustedTime));
+                auto time = std::localtime(&endianAdjustedTime);
+                if (time == nullptr) {
+                    value = "Invalid";
+                } else {
+                    value = hex::format("{0:%a, %d.%m.%Y %H:%M:%S}", *time);
+                }
             } catch (fmt::format_error &e) {
                 value = "Invalid";
             }