diff --git a/CMakeModules/Options.cmake b/CMakeModules/Options.cmake
index cfe2f62..10e6889 100644
--- a/CMakeModules/Options.cmake
+++ b/CMakeModules/Options.cmake
@@ -2,8 +2,9 @@
 # Options, flags
 option(BUILD_TESTS "Build test binaries" OFF)
 set(NINJA_ARGS "" CACHE STRING "Ninja arguments to pass before compiling WebRTC")
-option(BUILD_SHARED_LIB "Build WebRTC as a shared library." OFF)
+option(BUILD_SHARED_LIB "Build WebRTC as a shared library" OFF)
 set(WEBRTC_REVISION "" CACHE STRING "WebRTC commit hash to checkout")
+set(WEBRTC_BRANCH_HEAD "${LIBWEBRTC_WEBRTC_HEAD}" CACHE STRING "WebRTC branch head to checkout")
 
 if(BUILD_SHARED_LIB)
   set(LIBRARY_TYPE SHARED)
diff --git a/Targets/CMakeLists.txt b/Targets/CMakeLists.txt
index 1345503..86768cb 100644
--- a/Targets/CMakeLists.txt
+++ b/Targets/CMakeLists.txt
@@ -23,7 +23,7 @@ set(_NEXT_DEPENDS webrtc-src)
 if (NOT WEBRTC_REVISION)
   libwebrtc_command(
       NAME webrtc-fetch-refs
-      COMMAND ${GIT_EXECUTABLE} fetch origin ${LIBWEBRTC_WEBRTC_HEAD}
+      COMMAND ${GIT_EXECUTABLE} fetch origin ${WEBRTC_BRANCH_HEAD}
       WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/src"
       COMMENT "Fetching branch heads"
       DEPENDS webrtc-src