diff --git a/util/grub.d/30_os-prober.in b/util/grub.d/30_os-prober.in
index 225a3baf7..ea3f3f804 100644
--- a/util/grub.d/30_os-prober.in
+++ b/util/grub.d/30_os-prober.in
@@ -40,13 +40,13 @@ EOF
   fi
 }
 
-if [ "x${GRUB_DISABLE_OS_PROBER}" = "xtrue" ]; then
-  grub_warn "$(gettext_printf "os-prober will not be executed to detect other bootable partitions.\nSystems on them will not be added to the GRUB boot configuration.\nCheck GRUB_DISABLE_OS_PROBER documentation entry.")"
+if ! command -v os-prober > /dev/null || ! command -v linux-boot-prober > /dev/null ; then
+  # missing os-prober and/or linux-boot-prober
   exit 0
 fi
 
-if ! command -v os-prober > /dev/null || ! command -v linux-boot-prober > /dev/null ; then
-  # missing os-prober and/or linux-boot-prober
+if [ "x${GRUB_DISABLE_OS_PROBER}" = "xtrue" ]; then
+  grub_warn "$(gettext_printf "os-prober will not be executed to detect other bootable partitions.\nSystems on them will not be added to the GRUB boot configuration.\nCheck GRUB_DISABLE_OS_PROBER documentation entry.")"
   exit 0
 fi