diff --git a/GL/glx/indirect_dispatch_swap.c b/GL/glx/indirect_dispatch_swap.c
index a6df3521b..a4e053b7b 100644
--- a/GL/glx/indirect_dispatch_swap.c
+++ b/GL/glx/indirect_dispatch_swap.c
@@ -30,6 +30,11 @@
 #include <GL/glxproto.h>
 #ifdef __linux__
 #include <byteswap.h>
+#elif defined(__OpenBSD__)
+#include <sys/endian.h>
+#define bswap_16 __swap16
+#define bswap_32 __swap32
+#define bswap_64 __swap64
 #else
 #include <sys/endian.h>
 #define bswap_16 bswap16
diff --git a/GL/glx/indirect_util.c b/GL/glx/indirect_util.c
index 706d43864..c9d8600c8 100644
--- a/GL/glx/indirect_util.c
+++ b/GL/glx/indirect_util.c
@@ -30,6 +30,11 @@
 #include <GL/glxproto.h>
 #ifdef __linux__
 #include <byteswap.h>
+#elif defined(__OpenBSD__)
+#include <sys/endian.h>
+#define bswap_16 __swap16
+#define bswap_32 __swap32
+#define bswap_64 __swap64
 #else
 #include <sys/endian.h>
 #define bswap_16 bswap16