diff --git a/src/timedata.cpp b/src/timedata.cpp
--- a/src/timedata.cpp
+++ b/src/timedata.cpp
@@ -35,11 +35,6 @@
     return GetTime() + GetTimeOffset();
 }
 
-static uint64_t abs64(int64_t n) {
-    const uint64_t un = n;
-    return (n >= 0) ? un : -un;
-}
-
 #define BITCOIN_TIMEDATA_MAX_SAMPLES 200
 
 void AddTimeData(const CNetAddr &ip, int64_t nOffsetSample) {
@@ -81,10 +76,10 @@
         int64_t nMedian = vTimeOffsets.median();
         std::vector<int64_t> vSorted = vTimeOffsets.sorted();
         // Only let other nodes change our time by so much
-        if (abs64(nMedian) <=
-            uint64_t(std::max<int64_t>(
-                0, gArgs.GetArg("-maxtimeadjustment",
-                                DEFAULT_MAX_TIME_ADJUSTMENT)))) {
+
+        int64_t max_adjustment = std::max<int64_t>(
+            0, gArgs.GetArg("-maxtimeadjustment", DEFAULT_MAX_TIME_ADJUSTMENT));
+        if (nMedian >= -max_adjustment && nMedian <= max_adjustment) {
             nTimeOffset = nMedian;
         } else {
             nTimeOffset = 0;
@@ -95,7 +90,7 @@
                 // of ours, give a warning
                 bool fMatch = false;
                 for (const int64_t nOffset : vSorted) {
-                    if (nOffset != 0 && abs64(nOffset) < 5 * 60) {
+                    if (nOffset != 0 && nOffset > -5 * 60 && nOffset < 5 * 60) {
                         fMatch = true;
                     }
                 }