diff --git a/tools/singularity/centos8.def b/tools/singularity/centos8.def
index 945eb4bbbb..e35f97f453 100644
--- a/tools/singularity/centos8.def
+++ b/tools/singularity/centos8.def
@@ -3,7 +3,7 @@ From: centos:8
 
 %post
         dnf -y install epel-release dnf-utils
-        dnf config-manager --set-enabled PowerTools
+        dnf config-manager --set-enabled powertools
         dnf -y update
         dnf -y install vim-enhanced git file make cmake patch which file ninja-build \
                ccache gcc-c++ gcc-gfortran clang libomp-devel gdb valgrind libubsan libasan libtsan \