diff --git a/lib/tls/CMakeLists.txt b/lib/tls/CMakeLists.txt
index 230b0d29a..7751cc7ba 100644
--- a/lib/tls/CMakeLists.txt
+++ b/lib/tls/CMakeLists.txt
@@ -271,7 +271,9 @@ if (LWS_WITH_SSL)
 				find_package(PkgConfig QUIET)
 				pkg_check_modules(PC_OPENSSL openssl QUIET)
 				find_package(OpenSSL REQUIRED)
-				list(APPEND OPENSSL_LIBRARIES ${PC_OPENSSL_LINK_LIBRARIES})
+				if (NOT OPENSSL_FOUND AND PC_OPENSSL_FOUND)
+					list(APPEND OPENSSL_LIBRARIES ${PC_OPENSSL_LINK_LIBRARIES})
+				endif()
 				set(OPENSSL_LIBRARIES ${OPENSSL_LIBRARIES} PARENT_SCOPE)
 			endif()
 			set(OPENSSL_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")