diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index c416002c96b..a339ffb5932 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -1122,7 +1122,7 @@ fs_visitor::vgrf(const glsl_type *const type)
                  brw_type_for_base_type(type));
 }
 
-fs_reg::fs_reg(enum brw_reg_file file, int nr)
+fs_reg::fs_reg(enum brw_reg_file file, unsigned nr)
 {
    init();
    this->file = file;
@@ -1131,7 +1131,7 @@ fs_reg::fs_reg(enum brw_reg_file file, int nr)
    this->stride = (file == UNIFORM ? 0 : 1);
 }
 
-fs_reg::fs_reg(enum brw_reg_file file, int nr, enum brw_reg_type type)
+fs_reg::fs_reg(enum brw_reg_file file, unsigned nr, enum brw_reg_type type)
 {
    init();
    this->file = file;
diff --git a/src/intel/compiler/brw_ir_fs.h b/src/intel/compiler/brw_ir_fs.h
index 957fc856751..06d97050860 100644
--- a/src/intel/compiler/brw_ir_fs.h
+++ b/src/intel/compiler/brw_ir_fs.h
@@ -37,8 +37,8 @@ public:
 
    fs_reg();
    fs_reg(struct ::brw_reg reg);
-   fs_reg(enum brw_reg_file file, int nr);
-   fs_reg(enum brw_reg_file file, int nr, enum brw_reg_type type);
+   fs_reg(enum brw_reg_file file, unsigned nr);
+   fs_reg(enum brw_reg_file file, unsigned nr, enum brw_reg_type type);
 
    bool equals(const fs_reg &r) const;
    bool negative_equals(const fs_reg &r) const;