diff --git a/CMakeLists.txt b/CMakeLists.txt
index 21fc519..67a27a0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ if(POLICY CMP0077)
     cmake_policy(SET CMP0077 NEW)
 endif()
 
-project("sodium")
+project("sodium" LANGUAGES C)
 
 option(SODIUM_DISABLE_TESTS "Disable tests" OFF)
 option(SODIUM_MINIMAL "Only compile the minimum set of functions required for the high-level API" OFF)