diff --git a/spec/lvm2.spec b/spec/lvm2.spec
index 18b1821da..1a109b615 100644
--- a/spec/lvm2.spec
+++ b/spec/lvm2.spec
@@ -18,6 +18,11 @@
 
 %import source.inc
 
+%if %{lvm2_testsuite_build} == 0
+# Disable global optimization when building on machine with installed lvm2-testsuited
+%global _lto_cflags %nil
+%endif
+
 # PatchN: nnn.patch goes here
 
 %prep