diff --git a/CMakeLists.txt b/CMakeLists.txt
index 681df3806..b53a54f7f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -124,7 +124,7 @@ else()
 	find_package(Belr REQUIRED)
 endif()
 find_package(XML2 REQUIRED)
-find_package(Soci REQUIRED)
+find_package(Soci OPTIONAL)
 find_package(Zlib)
 if(ENABLE_TUNNEL)
 	if(LINPHONE_BUILDER_GROUP_EXTERNAL_SOURCE_PATH_BUILDERS)