diff --git a/src/memgraph_bolt.cpp b/src/memgraph_bolt.cpp
index 62a969a4f..e0892c7e6 100644
--- a/src/memgraph_bolt.cpp
+++ b/src/memgraph_bolt.cpp
@@ -260,12 +260,20 @@ int WithInit(int argc, char **argv,
   // Start memory warning logger.
   utils::Scheduler mem_log_scheduler;
   if (FLAGS_memory_warning_threshold > 0) {
-    mem_log_scheduler.Run("Memory warning", std::chrono::seconds(3), [] {
-      auto free_ram_mb = utils::sysinfo::AvailableMem() / 1024;
-      if (free_ram_mb < FLAGS_memory_warning_threshold)
-        LOG(WARNING) << "Running out of available RAM, only " << free_ram_mb
-                     << " MB left.";
-    });
+    auto free_ram = utils::sysinfo::AvailableMemoryKilobytes();
+    if (free_ram) {
+      mem_log_scheduler.Run("Memory warning", std::chrono::seconds(3), [] {
+        auto free_ram = utils::sysinfo::AvailableMemoryKilobytes();
+        if (free_ram && *free_ram / 1024 < FLAGS_memory_warning_threshold)
+          LOG(WARNING) << "Running out of available RAM, only "
+                       << *free_ram / 1024 << " MB left.";
+      });
+    } else {
+      // Kernel version for the `MemAvailable` value is from: man procfs
+      LOG(WARNING) << "You have an older kernel version (<3.14) or the /proc "
+                      "filesystem isn't available so remaining memory warnings "
+                      "won't be available.";
+    }
   }
   requests::Init();
 
diff --git a/src/utils/sysinfo/memory.hpp b/src/utils/sysinfo/memory.hpp
index 738c5154c..9e0d52612 100644
--- a/src/utils/sysinfo/memory.hpp
+++ b/src/utils/sysinfo/memory.hpp
@@ -1,3 +1,4 @@
+#include <experimental/optional>
 #include <fstream>
 #include <iostream>
 #include <limits>
@@ -8,24 +9,25 @@ namespace utils::sysinfo {
 
 /**
  * Gets the amount of available RAM in kilobytes. If the information is
- * unavalable zero is returned.
+ * unavalable an empty value is returned.
  */
-inline auto AvailableMem() {
+inline std::experimental::optional<uint64_t> AvailableMemoryKilobytes() {
   std::string token;
   std::ifstream meminfo("/proc/meminfo");
   while (meminfo >> token) {
     if (token == "MemAvailable:") {
-      unsigned long mem;
+      uint64_t mem = 0;
       if (meminfo >> mem) {
         return mem;
       } else {
-        return 0UL;
+        return std::experimental::nullopt;
       }
     }
     meminfo.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
   }
-  LOG(ERROR) << "Failed to read amount of available memory from /proc/meminfo";
-  return 0UL;
+  DLOG(WARNING)
+      << "Failed to read amount of available memory from /proc/meminfo";
+  return std::experimental::nullopt;
 }
 
 }  // namespace utils::sysinfo