diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9537407..91a2703 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -343,7 +343,9 @@ if(NOT MSVC)
 	set(exec_prefix \${prefix})
 	set(libdir      \${exec_prefix}/${CMAKE_INSTALL_LIBDIR})
 	set(includedir  \${prefix}/include)
-	string(REGEX REPLACE ";" " -l" PLATFORM_LDADD ";${PLATFORM_LIBS}")
+	if(PLATFORM_LIBS)
+		string(REGEX REPLACE ";" " -l" PLATFORM_LDADD ";${PLATFORM_LIBS}")
+	endif()
 	file(STRINGS    "VERSION" VERSION LIMIT_COUNT 1)
 	file(GLOB       OPENSSL_PKGCONFIGS "*.pc.in")
 	foreach(file ${OPENSSL_PKGCONFIGS})