diff --git a/easystacks/software.eessi.io/2023.06/grace/eessi-2023.06-eb-4.8.2-2022b.yml b/easystacks/software.eessi.io/2023.06/grace/eessi-2023.06-eb-4.8.2-2022b.yml
index b20ba05385..d01c1f0639 100644
--- a/easystacks/software.eessi.io/2023.06/grace/eessi-2023.06-eb-4.8.2-2022b.yml
+++ b/easystacks/software.eessi.io/2023.06/grace/eessi-2023.06-eb-4.8.2-2022b.yml
@@ -3,3 +3,9 @@ easyconfigs:
 # need to keep building Qt5 with 4.8.2 because more recent versions include an
 # updated easyblock for python which doesn't work correctly for Python-2.7.18
   - Qt5-5.15.7-GCCcore-12.2.0.eb
+# try to also build QE with EB 4.8.2 --> worked but it looks like we may not have
+# used the FoX library, see https://github.com/easybuilders/easybuild-easyconfigs/pull/20070/files#diff-b5e488fd7d21901d2307ed7994868853061fb5c60080e91cb186e2f937e45522
+# so we move building QE 7.2 with EB 4.9.4; that failed plus QE was not built
+# with the FoX library for any other of the supported CPU microarchitectures,
+# hence we keep building it with EB 4.8.2 (here in this easystack file)
+  - QuantumESPRESSO-7.2-foss-2022b.eb
diff --git a/easystacks/software.eessi.io/2023.06/grace/eessi-2023.06-eb-4.9.4-2022b.yml b/easystacks/software.eessi.io/2023.06/grace/eessi-2023.06-eb-4.9.4-2022b.yml
index d50c1bb233..b6ddd50f84 100644
--- a/easystacks/software.eessi.io/2023.06/grace/eessi-2023.06-eb-4.9.4-2022b.yml
+++ b/easystacks/software.eessi.io/2023.06/grace/eessi-2023.06-eb-4.9.4-2022b.yml
@@ -33,4 +33,7 @@ easyconfigs:
 # moved Qt5 to easystack file used with EB 4.8.2 because it needs an older
 # version of the python easyblock
 #  - Qt5-5.15.7-GCCcore-12.2.0.eb
+# we try to build QE with EB 4.8.2 too, that worked; building with updated
+# easyconfigs (via EB 4.9.4) didn't work, and wasn't done for any of the other
+# supported CPU microarchitectures. Hence, we build QE with 4.8.2
 #  - QuantumESPRESSO-7.2-foss-2022b.eb