diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir_from_tgsi.cpp
index 3fb679b29de..8889b492946 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir_from_tgsi.cpp
@@ -361,6 +361,7 @@ nv50_ir::DataType Instruction::inferSrcType() const
    case TGSI_OPCODE_AND:
    case TGSI_OPCODE_OR:
    case TGSI_OPCODE_XOR:
+   case TGSI_OPCODE_NOT:
    case TGSI_OPCODE_U2F:
    case TGSI_OPCODE_UADD:
    case TGSI_OPCODE_UDIV: