diff --git a/lib7zip/src/CMakeLists.txt b/lib7zip/src/CMakeLists.txt
index 3863b34..7d8da4b 100644
--- a/lib7zip/src/CMakeLists.txt
+++ b/lib7zip/src/CMakeLists.txt
@@ -29,6 +29,8 @@ IF (BUILD_SHARED_LIB)
 ADD_LIBRARY(lib7zip_shared SHARED ${lib7zip_src}
    ${lib7zip_NODIST_SOURCES}
 )
+target_link_libraries(lib7zip_shared -ldl)
+
 SET_TARGET_PROPERTIES(lib7zip_shared PROPERTIES
     OUTPUT_NAME "7zip"
 )