diff --git a/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/jvm/StubGenerator.kt b/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/jvm/StubGenerator.kt
index 0fceca95bb4..f1b0f5412d9 100644
--- a/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/jvm/StubGenerator.kt
+++ b/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/jvm/StubGenerator.kt
@@ -1026,6 +1026,6 @@ class StubGenerator(
             MappingBridgeGeneratorImpl(declarationMapper, simpleBridgeGenerator)
 
     companion object {
-        private val VALID_PACKAGE_NAME_REGEX = "[a-zA-Z1-9_.]".toRegex()
+        private val VALID_PACKAGE_NAME_REGEX = "[a-zA-Z0-9_.]+".toRegex()
     }
 }