diff --git a/www-client/firefox/firefox-132.0.2.ebuild b/www-client/firefox/firefox-132.0.2.ebuild
index 075f0027366fd..339d343491f9a 100644
--- a/www-client/firefox/firefox-132.0.2.ebuild
+++ b/www-client/firefox/firefox-132.0.2.ebuild
@@ -452,7 +452,7 @@ pkg_pretend() {
 		elif tc-is-lto ; then
 			CHECKREQS_DISK_BUILD="10600M"
 		else
-			CHECKREQS_DISK_BUILD="6800"
+			CHECKREQS_DISK_BUILD="6800M"
 		fi
 
 		check-reqs_pkg_pretend
@@ -490,7 +490,7 @@ pkg_setup() {
 		elif [[ ${use_lto} == "yes" ]] ; then
 			CHECKREQS_DISK_BUILD="10600M"
 		else
-			CHECKREQS_DISK_BUILD="6800"
+			CHECKREQS_DISK_BUILD="6800M"
 		fi
 
 		check-reqs_pkg_setup