diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8fe336449..85d54419d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,6 +59,7 @@ cmake_dependent_option(ENABLE_ASSISTANT "Turn on assistant compiling." YES "ENAB
 option(ENABLE_DEBUG_LOGS "Turn on or off debug level logs." NO)
 option(ENABLE_NLS "Build with internationalisation support" YES)
 option(ENABLE_VCARD "Turn on compilation of vcard4 support." YES)
+option(ENABLE_ROOTCA_DOWNLOAD "Download rootca.pem at build time." YES)
 option(CXX_WRAPPER "Build the C++ wrapper for Liblinphone." OFF)
 
 
diff --git a/share/CMakeLists.txt b/share/CMakeLists.txt
index 271926dc5..b5f53099b 100644
--- a/share/CMakeLists.txt
+++ b/share/CMakeLists.txt
@@ -20,26 +20,28 @@
 #
 ############################################################################
 
-if(APPLE)
-	find_program(OPENSSL_PROGRAM openssl)
-	execute_process(
-		COMMAND ${OPENSSL_PROGRAM} version -d
-		OUTPUT_VARIABLE OPENSSL_VERSION
-		OUTPUT_STRIP_TRAILING_WHITESPACE
+if(ENABLE_ROOTCA_DOWNLOAD)
+	if(APPLE)
+		find_program(OPENSSL_PROGRAM openssl)
+		execute_process(
+			COMMAND ${OPENSSL_PROGRAM} version -d
+			OUTPUT_VARIABLE OPENSSL_VERSION
+			OUTPUT_STRIP_TRAILING_WHITESPACE
+		)
+		string(REGEX REPLACE "OPENSSLDIR: \"(.*)\"" "\\1" HTTPS_CA_DIR "${OPENSSL_VERSION}")
+	endif()
+
+	set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/rootca.pem PROPERTIES GENERATED TRUE)
+	add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/rootca.pem
+		COMMAND ${CMAKE_COMMAND} -DHTTPS_CA_DIR=${HTTPS_CA_DIR} -DWORK_DIR=${CMAKE_CURRENT_SOURCE_DIR} -DOUTPUT_DIR=${CMAKE_CURRENT_BINARY_DIR} -P ${CMAKE_CURRENT_SOURCE_DIR}/rootca.cmake)
+	add_custom_target(rootca ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/rootca.pem)
+
+	install(FILES ${CMAKE_CURRENT_BINARY_DIR}/rootca.pem
+		DESTINATION ${PACKAGE_DATA_DIR}/linphone
+		PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
 	)
-	string(REGEX REPLACE "OPENSSLDIR: \"(.*)\"" "\\1" HTTPS_CA_DIR "${OPENSSL_VERSION}")
 endif()
 
-set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/rootca.pem PROPERTIES GENERATED TRUE)
-add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/rootca.pem
-	COMMAND ${CMAKE_COMMAND} -DHTTPS_CA_DIR=${HTTPS_CA_DIR} -DWORK_DIR=${CMAKE_CURRENT_SOURCE_DIR} -DOUTPUT_DIR=${CMAKE_CURRENT_BINARY_DIR} -P ${CMAKE_CURRENT_SOURCE_DIR}/rootca.cmake)
-add_custom_target(rootca ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/rootca.pem)
-
-install(FILES ${CMAKE_CURRENT_BINARY_DIR}/rootca.pem
-	DESTINATION ${PACKAGE_DATA_DIR}/linphone
-	PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
-)
-
 set(SOUND_FILES
 	hello16000.wav
 	hello8000.wav