diff --git a/src/mesa/main/program_binary.c b/src/mesa/main/program_binary.c
index 7390fef5887..39537cfccce 100644
--- a/src/mesa/main/program_binary.c
+++ b/src/mesa/main/program_binary.c
@@ -178,6 +178,8 @@ write_program_payload(struct gl_context *ctx, struct blob *blob,
                                                       shader->Program);
    }
 
+   blob_write_uint32(blob, sh_prog->SeparateShader);
+
    serialize_glsl_program(blob, ctx, sh_prog);
 
    for (unsigned stage = 0; stage < MESA_SHADER_STAGES; stage++) {
@@ -195,6 +197,8 @@ static bool
 read_program_payload(struct gl_context *ctx, struct blob_reader *blob,
                      GLenum binary_format, struct gl_shader_program *sh_prog)
 {
+   sh_prog->SeparateShader = blob_read_uint32(blob);
+
    if (!deserialize_glsl_program(blob, ctx, sh_prog))
       return false;