diff --git a/rtems/config/tools/rtems-gdb-7.6.2-1.cfg b/rtems/config/tools/rtems-gdb-7.6.2-1.cfg
index 0457bd7..9d26643 100644
--- a/rtems/config/tools/rtems-gdb-7.6.2-1.cfg
+++ b/rtems/config/tools/rtems-gdb-7.6.2-1.cfg
@@ -12,7 +12,7 @@
 #
 %include rtems-gdb-patches.cfg
 
-%if %{_host} == freebsd
+%if %{_build_os} == freebsd
 %define patch5      %{rtems_gdb_patches}/patch-gdb-python-python-config.py
 %define patch5_opts -p0
 %endif
diff --git a/rtems/config/tools/rtems-gdb-7.7-1.cfg b/rtems/config/tools/rtems-gdb-7.7-1.cfg
index a1d8932..d1f59cc 100644
--- a/rtems/config/tools/rtems-gdb-7.7-1.cfg
+++ b/rtems/config/tools/rtems-gdb-7.7-1.cfg
@@ -18,7 +18,7 @@
 %define patch1 %{rtems_gdb_patches}/gdb-sim-arange-inline.diff
 %define patch2 %{rtems_gdb_patches}/gdb-sim-cgen-inline.diff
 
-%if %{_host_os} == freebsd
+%if %{_build_os} == freebsd
 %define patch5      %{rtems_gdb_patches}/patch-gdb-python-python-config.py
 %define patch5_opts -p0
 %endif