diff --git a/include/host-build.mk b/include/host-build.mk
index 581c2cfd4..88129aad0 100644
--- a/include/host-build.mk
+++ b/include/host-build.mk
@@ -12,7 +12,7 @@ include $(INCLUDE_DIR)/host.mk
 include $(INCLUDE_DIR)/unpack.mk
 include $(INCLUDE_DIR)/depends.mk
 
-STAMP_PREPARED:=$(PKG_BUILD_DIR)/.prepared_$(shell $(call find_md5,${CURDIR} $(PKG_FILE_DEPEND),))
+STAMP_PREPARED=$(PKG_BUILD_DIR)/.prepared$(if $(QUILT)$(DUMP),,$(shell $(call find_md5,${CURDIR} $(PKG_FILE_DEPEND),)))
 STAMP_CONFIGURED:=$(PKG_BUILD_DIR)/.configured
 STAMP_BUILT:=$(PKG_BUILD_DIR)/.built
 STAMP_INSTALLED:=$(STAGING_DIR_HOST)/stamp/.$(PKG_NAME)_installed
diff --git a/include/package.mk b/include/package.mk
index 591816b75..43d0663f6 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -16,7 +16,7 @@ include $(INCLUDE_DIR)/host.mk
 include $(INCLUDE_DIR)/unpack.mk
 include $(INCLUDE_DIR)/depends.mk
 
-STAMP_PREPARED:=$(PKG_BUILD_DIR)/.prepared$(if $(DUMP),,_$(shell $(call find_md5,${CURDIR} $(PKG_FILE_DEPEND),)))
+STAMP_PREPARED=$(PKG_BUILD_DIR)/.prepared$(if $(QUILT)$(DUMP),,_$(shell $(call find_md5,${CURDIR} $(PKG_FILE_DEPEND),)))
 STAMP_CONFIGURED:=$(PKG_BUILD_DIR)/.configured
 STAMP_BUILT:=$(PKG_BUILD_DIR)/.built
 
diff --git a/include/quilt.mk b/include/quilt.mk
index a2cbdf9ee..a7aac91c0 100644
--- a/include/quilt.mk
+++ b/include/quilt.mk
@@ -26,7 +26,6 @@ endef
 
 QUILT?=$(strip $(shell test -f $(PKG_BUILD_DIR)/.quilt_used && echo y))
 ifneq ($(QUILT),)
-  STAMP_PREPARED:=$(strip $(STAMP_PREPARED))_q
   STAMP_PATCHED:=$(PKG_BUILD_DIR)/.quilt_patched
   override CONFIG_AUTOREBUILD=
   define Build/Patch/Default