diff --git a/src/intel/compiler/brw_shader.cpp b/src/intel/compiler/brw_shader.cpp
index 284c2e8233c..cc377122425 100644
--- a/src/intel/compiler/brw_shader.cpp
+++ b/src/intel/compiler/brw_shader.cpp
@@ -986,7 +986,8 @@ backend_instruction::writes_accumulator_implicitly(const struct gen_device_info
           (devinfo->gen < 6 &&
            ((opcode >= BRW_OPCODE_ADD && opcode < BRW_OPCODE_NOP) ||
             (opcode >= FS_OPCODE_DDX_COARSE && opcode <= FS_OPCODE_LINTERP &&
-             opcode != FS_OPCODE_CINTERP)));
+             opcode != FS_OPCODE_CINTERP))) ||
+          (opcode == FS_OPCODE_LINTERP && !devinfo->has_pln);
 }
 
 bool