diff --git a/include/image.mk b/include/image.mk
index 65d79f4db886f4ae104708ec4c2b3276296b1f74..276423971ff83d603aacb86ff6d17fc4f43a1c07 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -87,7 +87,7 @@ else
   ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
     define Image/mkfs/squashfs
 		@mkdir -p $(TARGET_DIR)/overlay
-		$(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) -processors 1
+		$(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1)
 		$(call Image/Build,squashfs)
     endef
   endif