diff --git a/idea/src/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinInProjectUtils.kt b/idea/src/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinInProjectUtils.kt
index 6050707fbec..55499786449 100644
--- a/idea/src/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinInProjectUtils.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinInProjectUtils.kt
@@ -253,7 +253,7 @@ fun isEap(version: String): Boolean {
 }
 
 fun useEapRepository(minorKotlinVersion: Int, version: String): Boolean {
-    return Regex("1\\.$minorKotlinVersion(\\.\\d)?-[A-Za-z][A-Za-z0-9-]*").matches(version) &&
+    return Regex("1\\.$minorKotlinVersion(\\.\\d\\d?)?-[A-Za-z][A-Za-z0-9-]*").matches(version) &&
            !version.startsWith("1.$minorKotlinVersion.0-dev")
 }
 
diff --git a/idea/tests/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinUtilTest.kt b/idea/tests/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinUtilTest.kt
index 4b8af0399e4..fd31b9fa9d8 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinUtilTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinUtilTest.kt
@@ -32,6 +32,8 @@ class ConfigureKotlinUtilTest : UsefulTestCase() {
         Assert.assertFalse(useEapRepository(1, "1.1.2"))
         Assert.assertFalse(useEapRepository(1, "1.1.2-3"))
         Assert.assertFalse(useEapRepository(1, "1.1.0-dev-1234"))
+        Assert.assertTrue(useEapRepository(1, "1.1.50-eap-28"))
+        Assert.assertFalse(useEapRepository(1, "1.1.50"))
         Assert.assertTrue(useEapRepository(2, "1.2-M01"))
         Assert.assertTrue(useEapRepository(2, "1.2-M1"))
         Assert.assertFalse(useEapRepository(2, "1.2"))