diff --git a/samples/libcurl/src/main/kotlin/org/konan/libcurl/CUrl.kt b/samples/libcurl/src/main/kotlin/org/konan/libcurl/CUrl.kt
index ce377349331..efbffd566ad 100644
--- a/samples/libcurl/src/main/kotlin/org/konan/libcurl/CUrl.kt
+++ b/samples/libcurl/src/main/kotlin/org/konan/libcurl/CUrl.kt
@@ -2,6 +2,7 @@ package org.konan.libcurl
 
 import kotlinx.cinterop.*
 import platform.posix.*
+import platform.posix.size_t
 import libcurl.*
 
 class CUrl(val url: String)  {