diff --git a/search/pysearch/CMakeLists.txt b/search/pysearch/CMakeLists.txt
index b47be73956..3adc9438f4 100644
--- a/search/pysearch/CMakeLists.txt
+++ b/search/pysearch/CMakeLists.txt
@@ -29,6 +29,7 @@ omim_link_libraries(
   stats_client
   ${PYTHON_LIBRARIES}
   ${Boost_LIBRARIES}
+  ${LIBZ}
 )
 
 link_qt5_core(${PROJECT_NAME})