diff --git a/configure.ac b/configure.ac
index 7379ab358..0d55bece5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2602,8 +2602,9 @@ if test "x$openssl" = "xyes" ; then
 		if(fd == NULL)
 			exit(1);
 
-		if ((rc = fprintf(fd, "%08lx (%s)\n", (unsigned long)SSLeay(),
-		    SSLeay_version(SSLEAY_VERSION))) < 0)
+		if ((rc = fprintf(fd, "%08lx (%s)\n",
+		    (unsigned long)OpenSSL_version_num(),
+		    OpenSSL_version(OPENSSL_VERSION))) < 0)
 			exit(1);
 
 		exit(0);
@@ -2645,7 +2646,7 @@ if test "x$openssl" = "xyes" ; then
 	#include <openssl/opensslv.h>
 	#include <openssl/crypto.h>
 		]], [[
-		exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1);
+		exit(OpenSSL_version_num() == OPENSSL_VERSION_NUMBER ? 0 : 1);
 		]])],
 		[
 			AC_MSG_RESULT([yes])
@@ -2673,7 +2674,7 @@ if test "x$openssl" = "xyes" ; then
 	AC_MSG_CHECKING([if programs using OpenSSL functions will link])
 	AC_LINK_IFELSE(
 		[AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]],
-		[[ SSLeay_add_all_algorithms(); ]])],
+		[[ OpenSSL_add_all_algorithms(); ]])],
 		[
 			AC_MSG_RESULT([yes])
 		],
@@ -2684,7 +2685,7 @@ if test "x$openssl" = "xyes" ; then
 			AC_MSG_CHECKING([if programs using OpenSSL need -ldl])
 			AC_LINK_IFELSE(
 				[AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]],
-				[[ SSLeay_add_all_algorithms(); ]])],
+				[[ OpenSSL_add_all_algorithms(); ]])],
 				[
 					AC_MSG_RESULT([yes])
 				],
diff --git a/entropy.c b/entropy.c
index c178c00cf..fc710ec23 100644
--- a/entropy.c
+++ b/entropy.c
@@ -219,9 +219,11 @@ seed_rng(void)
 #ifndef OPENSSL_PRNG_ONLY
 	unsigned char buf[RANDOM_SEED_SIZE];
 #endif
-	if (!ssh_compatible_openssl(OPENSSL_VERSION_NUMBER, SSLeay()))
+	if (!ssh_compatible_openssl(OPENSSL_VERSION_NUMBER,
+	    OpenSSL_version_num()))
 		fatal("OpenSSL version mismatch. Built against %lx, you "
-		    "have %lx", (u_long)OPENSSL_VERSION_NUMBER, SSLeay());
+		    "have %lx", (u_long)OPENSSL_VERSION_NUMBER,
+		    OpenSSL_version_num());
 
 #ifndef OPENSSL_PRNG_ONLY
 	if (RAND_status() == 1) {