diff --git a/CMakeLists.txt b/CMakeLists.txt
index a11d0c6..a2864a6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -126,6 +126,7 @@ else()
 	endif()
 endif()
 
+# Incompatibility between OpenSSL and MbedTLS
 if(HTTPLIB_REQUIRE_OPENSSL AND HTTPLIB_REQUIRE_MBEDTLS)
 	message(FATAL_ERROR "HTTPLIB_REQUIRE_OPENSSL and HTTPLIB_REQUIRE_MBEDTLS are mutually exclusive.")
 endif()
@@ -134,6 +135,10 @@ if(HTTPLIB_USE_OPENSSL_IF_AVAILABLE AND HTTPLIB_USE_MBEDTLS_IF_AVAILABLE)
 	message(FATAL_ERROR "HTTPLIB_USE_OPENSSL_IF_AVAILABLE and HTTPLIB_USE_MBEDTLS_IF_AVAILABLE are mutually exclusive.")
 endif()
 
+if(HTTPLIB_REQUIRE_MBEDTLS)
+	set(HTTPLIB_USE_OPENSSL_IF_AVAILABLE OFF)
+endif()
+
 # Defaults to static library but respects standard BUILD_SHARED_LIBS if set
 include(CMakeDependentOption)
 cmake_dependent_option(HTTPLIB_SHARED "Build the library as a shared library instead of static. Has no effect if using header-only."
@@ -192,7 +197,6 @@ if(HTTPLIB_REQUIRE_MBEDTLS)
 	set(HTTPLIB_IS_USING_MBEDTLS TRUE)
 elseif(HTTPLIB_USE_MBEDTLS_IF_AVAILABLE)
 	find_package(MbedTLS QUIET)
-	message(WARNING ${MbedTLS_FOUND}) # TODO
 	set(HTTPLIB_IS_USING_MBEDTLS ${MbedTLS_FOUND})
 endif()