diff --git a/src/intel/compiler/brw_fs_saturate_propagation.cpp b/src/intel/compiler/brw_fs_saturate_propagation.cpp
index 50c3fc19f3b..50b05dd92b8 100644
--- a/src/intel/compiler/brw_fs_saturate_propagation.cpp
+++ b/src/intel/compiler/brw_fs_saturate_propagation.cpp
@@ -126,8 +126,9 @@ opt_saturate_propagation_local(const fs_live_variables &live, bblock_t *block)
          for (int i = 0; i < scan_inst->sources; i++) {
             if (scan_inst->src[i].file == VGRF &&
                 scan_inst->src[i].nr == inst->src[0].nr &&
-                scan_inst->src[i].offset / REG_SIZE ==
-                 inst->src[0].offset / REG_SIZE) {
+                regions_overlap(
+                  scan_inst->src[i], scan_inst->size_read(i),
+                  inst->src[0], inst->size_read(0))) {
                if (scan_inst->opcode != BRW_OPCODE_MOV ||
                    !scan_inst->saturate ||
                    scan_inst->src[0].abs ||