diff --git a/jxrlib.spec b/jxrlib.spec
index 5fb47f3..c9edb38 100644
--- a/jxrlib.spec
+++ b/jxrlib.spec
@@ -101,8 +101,8 @@ cp -a %{SOURCE2} doc
 %mingw_make_install
 
 # Delete guiddef.h which conflicts with guiddef.h shipped by mingw-headers
-rm -f%{mingw32_includedir}/jxrlib/guiddef.h
-rm -f%{mingw64_includedir}/jxrlib/guiddef.h
+rm -f %{buildroot}%{mingw32_includedir}/jxrlib/guiddef.h
+rm -f %{buildroot}%{mingw64_includedir}/jxrlib/guiddef.h
 
 
 %mingw_debug_install_post