diff --git a/kotlin-native/tools/benchmarks/shared/src/main/kotlin/report/BenchmarksReport.kt b/kotlin-native/tools/benchmarks/shared/src/main/kotlin/report/BenchmarksReport.kt
index 7323ab9cafe..b60e0013902 100644
--- a/kotlin-native/tools/benchmarks/shared/src/main/kotlin/report/BenchmarksReport.kt
+++ b/kotlin-native/tools/benchmarks/shared/src/main/kotlin/report/BenchmarksReport.kt
@@ -98,7 +98,7 @@ open class BenchmarksReport(val env: Environment, benchmarksList: List<Benchmark
 
     // Concatenate benchmarks report if they have same environment and compiler.
     operator fun plus(other: BenchmarksReport): BenchmarksReport {
-        if (compiler != other.compiler || env != other.env) {
+        if (compiler != other.compiler || env.machine != other.env.machine) {
             error("It's impossible to concat reports from different machines!")
         }
         return merge(other)
diff --git a/kotlin-native/tools/performance-server/src/main/kotlin/routes/route.kt b/kotlin-native/tools/performance-server/src/main/kotlin/routes/route.kt
index 20a9f44af63..bba0a43380f 100644
--- a/kotlin-native/tools/performance-server/src/main/kotlin/routes/route.kt
+++ b/kotlin-native/tools/performance-server/src/main/kotlin/routes/route.kt
@@ -207,7 +207,9 @@ internal fun <T> orderedValues(values: List<T>, buildElement: (T) -> CompositeBu
                                 Int.MAX_VALUE
                         },
                         { buildElement(it).first?.let { if (it == "DEV") 0 else 1 } ?: 0 }, // Develop and release builds
-                        { buildElement(it).second.substringAfterLast("-").substringBefore("(").toDouble() }, // build counter
+                        { if (buildElement(it).first == "RELEASE")
+                            0
+                        else buildElement(it).second.substringAfterLast("-").substringBefore("(").toDouble() }, // build counter
                         { buildElement(it).second.contains("(") } // build suffix
                 )
         )
diff --git a/kotlin-native/tools/performance-server/ui/src/main/kotlin/main.kt b/kotlin-native/tools/performance-server/ui/src/main/kotlin/main.kt
index 802656d19d2..6be5212ecb6 100644
--- a/kotlin-native/tools/performance-server/ui/src/main/kotlin/main.kt
+++ b/kotlin-native/tools/performance-server/ui/src/main/kotlin/main.kt
@@ -190,7 +190,7 @@ fun getDatesComponents() = "${beforeDate?.let {"&before=${encodeURIComponent(it)
         "${afterDate?.let {"&after=${encodeURIComponent(it)}"} ?: ""}"
 
 fun main(args: Array<String>) {
-    val serverUrl = "https://kotlin-native-perf-summary.labs.jb.gg"
+    val serverUrl = "https://kotlin-native-perf-summary.labs.jb.gg" // use "http://localhost:3000" for local debug.
     val zoomRatio = 2
 
     // Get parameters from request.