diff --git a/source/blender/imbuf/intern/dynlibtiff.c b/source/blender/imbuf/intern/dynlibtiff.c
index cdcb995bcff..4a96af8bf2b 100644
--- a/source/blender/imbuf/intern/dynlibtiff.c
+++ b/source/blender/imbuf/intern/dynlibtiff.c
@@ -83,13 +83,19 @@ void libtiff_loadlibtiff(void)
 	/* Try to find libtiff in a couple of standard places */
 	libtiff = PIL_dynlib_open("libtiff.so");
 	if (libtiff != NULL)  return;
+	libtiff = PIL_dynlib_open("libtiff.so.3");
+	if (libtiff != NULL)  return;
 	libtiff = PIL_dynlib_open("libtiff.dll");
 	if (libtiff != NULL)  return;
 	libtiff = PIL_dynlib_open("/usr/lib/libtiff.so");
 	if (libtiff != NULL)  return;
-	/* OSX has version specific library */
 	libtiff = PIL_dynlib_open("/usr/lib/libtiff.so.3");
 	if (libtiff != NULL)  return;
+	/* OSX has version specific library */
+#ifdef __x86_64__
+	libtiff = PIL_dynlib_open("/usr/lib64/libtiff.so.3");
+	if (libtiff != NULL)  return;
+#endif
 	libtiff = PIL_dynlib_open("/usr/local/lib/libtiff.so");
 	if (libtiff != NULL)  return;
 	/* For solaris */
diff --git a/source/blender/imbuf/intern/gen_dynlibtiff.py b/source/blender/imbuf/intern/gen_dynlibtiff.py
index 1ee0275854a..de3236da6c2 100755
--- a/source/blender/imbuf/intern/gen_dynlibtiff.py
+++ b/source/blender/imbuf/intern/gen_dynlibtiff.py
@@ -125,13 +125,19 @@ void libtiff_loadlibtiff(void)
 	/* Try to find libtiff in a couple of standard places */
 	libtiff = PIL_dynlib_open("libtiff.so");
 	if (libtiff != NULL)  return;
+	libtiff = PIL_dynlib_open("libtiff.so.3");
+	if (libtiff != NULL)  return;
 	libtiff = PIL_dynlib_open("libtiff.dll");
 	if (libtiff != NULL)  return;
 	libtiff = PIL_dynlib_open("/usr/lib/libtiff.so");
 	if (libtiff != NULL)  return;
-	/* OSX has version specific library */
 	libtiff = PIL_dynlib_open("/usr/lib/libtiff.so.3");
 	if (libtiff != NULL)  return;
+	/* OSX has version specific library */
+#ifdef __x86_64__
+	libtiff = PIL_dynlib_open("/usr/lib64/libtiff.so.3");
+	if (libtiff != NULL)  return;
+#endif
 	libtiff = PIL_dynlib_open("/usr/local/lib/libtiff.so");
 	if (libtiff != NULL)  return;
 	/* For solaris */
diff --git a/source/blender/yafray/intern/export_Plugin.cpp b/source/blender/yafray/intern/export_Plugin.cpp
index abfdb5ed5dc..361939df9c4 100644
--- a/source/blender/yafray/intern/export_Plugin.cpp
+++ b/source/blender/yafray/intern/export_Plugin.cpp
@@ -101,6 +101,9 @@ static string YafrayPath()
 	static char *alternative[]=
 	{
 		"/usr/local/lib/",
+#ifdef __x86_64__
+		"/usr/lib64/",
+#endif
 		"/usr/lib/",
 		NULL
 	};
@@ -124,6 +127,9 @@ static string YafrayPluginPath()
 	static char *alternative[]=
 	{
 		"/usr/local/lib/yafray",
+#ifdef __x86_64__
+		"/usr/lib64/yafray",
+#endif
 		"/usr/lib/yafray",
 		NULL
 	};