--- /usr/share/cmake/Modules/FindOpenSSL.cmake	2015-03-26 13:29:50.128845049 +0200
+++ /usr/share/cmake/Modules/FindOpenSSL.cmake	2015-03-26 13:30:20.050843883 +0200
@@ -264,7 +264,7 @@
     set(OPENSSL_VERSION "${_OPENSSL_VERSION}")
   elseif(OPENSSL_INCLUDE_DIR AND EXISTS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h")
     file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" openssl_version_str
-         REGEX "^#define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-fA-F])+.*")
+         REGEX "^[\t ]*#[\t ]*define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-fA-F])+.*")
 
     # The version number is encoded as 0xMNNFFPPS: major minor fix patch status
     # The status gives if this is a developer or prerelease and is ignored here.