diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
index 6903132efa7..c3c0dcd9fc1 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
@@ -269,6 +269,7 @@ CodeEmitterGM107::emitSYS(int pos, const Value *val)
    case SV_INVOCATION_INFO: id = 0x1d; break;
    case SV_TID            : id = 0x21 + val->reg.data.sv.index; break;
    case SV_CTAID          : id = 0x25 + val->reg.data.sv.index; break;
+   case SV_CLOCK          : id = 0x50 + val->reg.data.sv.index; break;
    default:
       assert(!"invalid system value");
       id = 0;