diff --git a/build.gradle.kts b/build.gradle.kts
index ebbc067f229..ce627dbc477 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -64,7 +64,11 @@ val configuredJdks: List<JdkId> =
 
 val defaultSnapshotVersion: String by extra
 val buildNumber by extra(findProperty("build.number")?.toString() ?: defaultSnapshotVersion)
-val kotlinVersion by extra(findProperty("deployVersion")?.toString() ?: buildNumber)
+val kotlinVersion by extra(
+        findProperty("deployVersion")?.toString()?.let { deploySnapshotStr ->
+            if (deploySnapshotStr != "default.snapshot") deploySnapshotStr else defaultSnapshotVersion
+        } ?: buildNumber
+)
 
 val kotlinLanguageVersion by extra("1.4")