diff --git a/system/boot/os-prober/actions.py b/system/boot/os-prober/actions.py
index 1e69645b..b1249392 100644
--- a/system/boot/os-prober/actions.py
+++ b/system/boot/os-prober/actions.py
@@ -14,6 +14,9 @@ def build():
                        linux-boot-probes/common/50mounted-tests")
     shelltools.system("sed -i -e 's|grub-mount|grub2-mount|g' os-probes/common/50mounted-tests \
                        linux-boot-probes/common/50mounted-tests common.sh")
+
+    shelltools.system("sed -i -e 's|/boot/grub/|/boot/grub2/|g' linux-boot-probes/mounted/common/40grub2 \
+                                 linux-boot-probes/mounted/x86/40grub")
     shelltools.unlink("Makefile")
     autotools.make("newns")
 
diff --git a/system/boot/os-prober/files/pisilinux-distro.patch b/system/boot/os-prober/files/pisilinux-distro.patch
new file mode 100644
index 00000000..55c33b7a
--- /dev/null
+++ b/system/boot/os-prober/files/pisilinux-distro.patch
@@ -0,0 +1,13 @@
+diff -Nuar a/os-probes/mounted/common/90linux-distro b/os-probes/mounted/common/90linux-distro
+--- a/os-probes/mounted/common/90linux-distro	2018-08-10 22:23:18.000000000 +0300
++++ b/os-probes/mounted/common/90linux-distro	2021-07-18 02:11:39.137236954 +0300
+@@ -29,6 +29,9 @@
+ 	elif [ -e "$dir/etc/altlinux-release" ]; then
+ 		short="ALTLinux"
+ 		long="$(cat "$dir/etc/altlinux-release")"
++    elif [ -e "$dir/etc/pisilinux-release" ]; then
++		short="Pisilinux"
++		long="$(cat "$dir/etc/pisilinux-release")"
+ 	elif [ -e "$dir/etc/magic-release" ]; then
+ 		short="Magic"
+ 		long="$(cat "$dir/etc/magic-release")"
diff --git a/system/boot/os-prober/pspec.xml b/system/boot/os-prober/pspec.xml
index b8317344..c557ba80 100644
--- a/system/boot/os-prober/pspec.xml
+++ b/system/boot/os-prober/pspec.xml
@@ -25,6 +25,8 @@
             <Patch level="1">fedora/os-prober-mounted-partitions-fix.patch</Patch>
             <Patch level="1">fedora/os-prober-no-dummy-mach-kernel.patch</Patch>
             <Patch level="1">fedora/os-prober-umount-fix.patch</Patch>
+
+            <Patch level="1">pisilinux-distro.patch</Patch>
         </Patches>
     </Source>
     <Package>