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-rw-r--r--src/gallium/drivers/vc4/vc4_program.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c
index 9f1f01836fd..3f0de2caee1 100644
--- a/src/gallium/drivers/vc4/vc4_program.c
+++ b/src/gallium/drivers/vc4/vc4_program.c
@@ -1931,7 +1931,7 @@ emit_point_size_write(struct vc4_compile *c)
{
struct qreg point_size;
- if (c->output_point_size_index)
+ if (c->output_point_size_index != -1)
point_size = c->outputs[c->output_point_size_index + 3];
else
point_size = qir_uniform_f(c, 1.0);