diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 96b23bc..686a041 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -497,7 +497,8 @@ KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PE}-${PV}-${PR}-${MACHINE}-${DA
 # Don't include the DATETIME variable in the sstate package signatures
 KERNEL_IMAGE_BASE_NAME[vardepsexclude] = "DATETIME"
 KERNEL_IMAGE_SYMLINK_NAME ?= "${KERNEL_IMAGETYPE}-${MACHINE}"
-MODULE_TARBALL_BASE_NAME ?= "modules-${PE}-${PV}-${PR}-${MACHINE}-${DATETIME}.tgz"
+MODULE_IMAGE_BASE_NAME ?= "modules-${PE}-${PV}-${PR}-${MACHINE}-${DATETIME}"
+MODULE_TARBALL_BASE_NAME ?= "${MODULE_IMAGE_BASE_NAME}.tgz"
 # Don't include the DATETIME variable in the sstate package signatures
 MODULE_TARBALL_BASE_NAME[vardepsexclude] = "DATETIME"
 MODULE_TARBALL_SYMLINK_NAME ?= "modules-${MACHINE}.tgz"