diff --git a/src/mesa/drivers/dri/i965/brw_wm_fp.c b/src/mesa/drivers/dri/i965/brw_wm_fp.c
index af1fda86513..15a238cda62 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_fp.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_fp.c
@@ -89,6 +89,8 @@ static struct prog_src_register src_reg(GLuint file, GLuint idx)
    reg.Negate = NEGATE_NONE;
    reg.Abs = 0;
    reg.HasIndex2 = 0;
+   reg.RelAddr2 = 0;
+   reg.Index2 = 0;
    return reg;
 }