diff --git a/source/glest_game/CMakeLists.txt b/source/glest_game/CMakeLists.txt
index 0682fd34b..711bf8079 100644
--- a/source/glest_game/CMakeLists.txt
+++ b/source/glest_game/CMakeLists.txt
@@ -88,7 +88,7 @@ IF(BUILD_MEGAGLEST)
 	FIND_PACKAGE(CURL REQUIRED)
 	INCLUDE_DIRECTORIES(${CURL_INCLUDE_DIRS})
 	IF(UNIX)
-		SET(EXTERNAL_LIBS ${EXTERNAL_LIBS} ${CURL_LIBRARIES})
+		SET(EXTERNAL_LIBS ${EXTERNAL_LIBS} ${CURL_LIBRARIES} ssl crypto)
 	ENDIF()
 
 	FIND_PACKAGE(GLEW REQUIRED)
diff --git a/source/shared_lib/CMakeLists.txt b/source/shared_lib/CMakeLists.txt
index c031510ce..015b5c3ce 100644
--- a/source/shared_lib/CMakeLists.txt
+++ b/source/shared_lib/CMakeLists.txt
@@ -54,7 +54,7 @@ IF(BUILD_MEGAGLEST_MODEL_VIEWER OR BUILD_MEGAGLEST_MAP_EDITOR OR BUILD_MEGAGLEST
 	FIND_PACKAGE(CURL REQUIRED)
 	INCLUDE_DIRECTORIES(${CURL_INCLUDE_DIRS})
 	IF(UNIX)
-		SET(EXTERNAL_LIBS ${EXTERNAL_LIBS} ${CURL_LIBRARIES})
+		SET(EXTERNAL_LIBS ${EXTERNAL_LIBS} ${CURL_LIBRARIES} ssl)
 	ENDIF()
 	# check libcurl version #
 	IF(WIN32)