diff --git a/plugins/fir-plugin-prototype/tests/org/jetbrains/kotlin/fir/plugin/services/PluginAnnotationsProvider.kt b/plugins/fir-plugin-prototype/tests/org/jetbrains/kotlin/fir/plugin/services/PluginAnnotationsProvider.kt
index 85f0d472be2..0b480775073 100644
--- a/plugins/fir-plugin-prototype/tests/org/jetbrains/kotlin/fir/plugin/services/PluginAnnotationsProvider.kt
+++ b/plugins/fir-plugin-prototype/tests/org/jetbrains/kotlin/fir/plugin/services/PluginAnnotationsProvider.kt
@@ -15,20 +15,30 @@ import java.io.File
 import java.io.FilenameFilter
 
 class PluginAnnotationsProvider(testServices: TestServices) : EnvironmentConfigurator(testServices) {
-
-    private val firPluginAnnotationsJar: File by lazy {
-        val firPluginAnnotationsPath = System.getProperty("firPluginAnnotations.path") ?: error("firPluginAnnotations.path system property is not set")
-        val firPluginAnnotationsFile = File(firPluginAnnotationsPath)
-        if (!firPluginAnnotationsFile.isFile &&
-            firPluginAnnotationsFile.name.startsWith("plugin-annotations") &&
-            firPluginAnnotationsFile.name.endsWith(".jar")
-        ) {
-            error("Can't find fir plugin annotations jar file in firPluginAnnotations.path system property")
-        }
-        firPluginAnnotationsFile
+    companion object {
+        private const val ANNOTATIONS_JAR_DIR = "plugins/fir-plugin-prototype/plugin-annotations/build/libs/"
+        private val ANNOTATIONS_JAR_FILTER = FilenameFilter { _, name -> name.startsWith("plugin-annotations") && name.endsWith(".jar") }
     }
 
     override fun configureCompilerConfiguration(configuration: CompilerConfiguration, module: TestModule) {
-        configuration.addJvmClasspathRoot(firPluginAnnotationsJar)
+        val pluginAnnotationsJar = findJarFromProperty()
+            ?: findJarByPath()
+            ?: error("Jar with annotations does not exist. Please run :plugins:fir-plugin-prototype:plugin-annotations:jar or specify firPluginAnnotations.path system property")
+        configuration.addJvmClasspathRoot(pluginAnnotationsJar)
+    }
+
+    private fun findJarByPath(): File? {
+        val libDir = File(ANNOTATIONS_JAR_DIR)
+        if (!libDir.exists() || !libDir.isDirectory) return null
+        return libDir.listFiles(ANNOTATIONS_JAR_FILTER)?.firstOrNull()
+    }
+
+    private fun findJarFromProperty(): File? {
+        val firPluginAnnotationsPath = System.getProperty("firPluginAnnotations.path") ?: return null
+        return File(firPluginAnnotationsPath).takeIf {
+            it.isFile &&
+                    it.name.startsWith("plugin-annotations") &&
+                    it.name.endsWith(".jar")
+        }
     }
 }