diff --git a/crypto/opensslv.h b/crypto/opensslv.h
index 6a2faedcd..64751fc7d 100644
--- a/crypto/opensslv.h
+++ b/crypto/opensslv.h
@@ -25,7 +25,7 @@
  * (Prior to 0.9.5a beta1, a different scheme was used: MMNNFFRBB for
  *  major minor fix final patch/beta)
  */
-#define OPENSSL_VERSION_NUMBER	0x00908120
+#define OPENSSL_VERSION_NUMBER	0x00908120L
 #ifdef OPENSSL_FIPS
 #define OPENSSL_VERSION_TEXT	"OpenSSL 0.9.8r-dev-fips xx XXX xxxx"
 #else