diff --git a/recipes-core/initrdscripts/initramfs-rauc-install/install b/recipes-core/initrdscripts/initramfs-rauc-install/install
index 035f6a5..511afe0 100644
--- a/recipes-core/initrdscripts/initramfs-rauc-install/install
+++ b/recipes-core/initrdscripts/initramfs-rauc-install/install
@@ -152,7 +152,7 @@ menuentry "Slot A (OK=\$A_OK TRY=\$A_TRY)" ${ENTRY_ARGS}{
 }
 
 menuentry "Slot B (OK=\$B_OK TRY=\$B_TRY)" ${ENTRY_ARGS}{
-	linux (hd0,3)/kernel root=${INSTALL_TGT3} \$CMDLINE rauc.slot=B
+	linux (hd0,3)/kernel root=${INSTALL_TGT}3 \$CMDLINE rauc.slot=B
 	initrd (hd0,3)/initramfs
 }
 EOF