diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 9ebb869..983861b 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -72,7 +72,7 @@ fs_inst::init(enum opcode opcode, const fs_reg &dst, fs_reg *src, int sources)
 fs_inst::fs_inst(enum opcode opcode, const fs_reg &dst)
 {
    fs_reg *src = ralloc_array(this, fs_reg, 3);
-   init(opcode, dst, src, 0);
+   init(opcode, dst, src, 1);
 }
 
 fs_inst::fs_inst(enum opcode opcode, const fs_reg &dst, const fs_reg &src0)