1 files changed, 2 insertions, 2 deletions
diff --git a/ir.cpp b/ir.cpp
index 1ae7dd6f0e..b4b2ca4d91 100644
--- a/ir.cpp
+++ b/ir.cpp
@@ -46,7 +46,7 @@ ir_expression::ir_expression(int op, const struct glsl_type *type,
 }
 
 unsigned int
-ir_expression::get_num_operands(void)
+ir_expression::get_num_operands(ir_expression_operation op)
 {
 /* Update ir_print_visitor.cpp when updating this list. */
    const int num_operands[] = {
@@ -105,7 +105,7 @@ ir_expression::get_num_operands(void)
 
    assert(sizeof(num_operands) / sizeof(num_operands[0]) == ir_binop_pow + 1);
 
-   return num_operands[this->operation];
+   return num_operands[op];
 }