diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5cefa3c..3e7bfed7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.13)
-project (sfizz VERSION 1.0.0 LANGUAGES CXX)
+project (sfizz VERSION 1.0.0 LANGUAGES CXX C)
 
 # External configuration CMake scripts
 set (CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_SOURCE_DIR}/cmake")
diff --git a/lv2/CMakeLists.txt b/lv2/CMakeLists.txt
index c8e43f19..77a312b7 100644
--- a/lv2/CMakeLists.txt
+++ b/lv2/CMakeLists.txt
@@ -20,7 +20,6 @@ set (LV2PLUGIN_TTL_SRC_FILES
     ${PROJECT_NAME}.ttl.in
 )
 add_library (${LV2PLUGIN_PRJ_NAME} SHARED ${PROJECT_NAME}.c ${LV2PLUGIN_TTL_SRC_FILES})
-set_source_files_properties(${PROJECT_NAME}.c LANGUAGE CXX)
 target_link_libraries (${LV2PLUGIN_PRJ_NAME} ${PROJECT_NAME}::${PROJECT_NAME})
 
 # Fetch required LV2 include files