diff --git a/build.sh b/build.sh
index 9111daed..df2b3fb7 100755
--- a/build.sh
+++ b/build.sh
@@ -6,23 +6,23 @@ RELEASE="$(rpm -E %fedora)"
 PACKAGE_LIST="up"
 FEDORA_MAJOR_VERSION=$RELEASE
 
-# build list of all packages requested for inclusion
+# Build list of all packages requested for inclusion
 INCLUDED_PACKAGES=($(jq -r "[(.all.include | (select(.\"$PACKAGE_LIST\" != null).\"$PACKAGE_LIST\")[]), \
                              (select(.\"$FEDORA_MAJOR_VERSION\" != null).\"$FEDORA_MAJOR_VERSION\".include | (select(.\"$PACKAGE_LIST\" != null).\"$PACKAGE_LIST\")[])] \
                              | sort | unique[]" /tmp/packages.json))
 
-# build list of all packages requested for override
+# Build list of all packages requested for override
 CONFLICTED_PACKAGES=($(jq -r "[(.all.conflictedpackages | (select(.\"$PACKAGE_LIST\" != null).\"$PACKAGE_LIST\")[]), \
                              (select(.\"$FEDORA_MAJOR_VERSION\" != null).\"$FEDORA_MAJOR_VERSION\".conflictedpackages | (select(.\"$PACKAGE_LIST\" != null).\"$PACKAGE_LIST\")[])] \
                              | sort | unique[]" /tmp/packages.json))
 
-# build list of all packages requested for exclusion
+# Build list of all packages requested for exclusion
 EXCLUDED_PACKAGES=($(jq -r "[(.all.exclude | (select(.\"$PACKAGE_LIST\" != null).\"$PACKAGE_LIST\")[]), \
                              (select(.\"$FEDORA_MAJOR_VERSION\" != null).\"$FEDORA_MAJOR_VERSION\".exclude | (select(.\"$PACKAGE_LIST\" != null).\"$PACKAGE_LIST\")[])] \
                              | sort | unique[]" /tmp/packages.json))
 
 
-# ensure exclusion list only contains packages already present on image
+# Ensure exclusion list only contains packages already present on image
 if [[ "${#EXCLUDED_PACKAGES[@]}" -gt 0 ]]; then
     EXCLUDED_PACKAGES=($(rpm -qa --queryformat='%{NAME} ' ${EXCLUDED_PACKAGES[@]}))
 fi
@@ -36,12 +36,12 @@ if [[ "${#CONFLICTED_PACKAGES[@]}" -gt 0 ]]; then
     done
 fi
 
-# simple case to install where no packages need excluding
+# Simple case to install where no packages need excluding
 if [[ "${#INCLUDED_PACKAGES[@]}" -gt 0 && "${#EXCLUDED_PACKAGES[@]}" -eq 0 ]]; then
     rpm-ostree install \
         ${INCLUDED_PACKAGES[@]}
 
-# install/excluded packages both at same time
+# Install/excluded packages both at same time
 elif [[ "${#INCLUDED_PACKAGES[@]}" -gt 0 && "${#EXCLUDED_PACKAGES[@]}" -gt 0 ]]; then
     rpm-ostree override remove \
         ${EXCLUDED_PACKAGES[@]} \
@@ -49,18 +49,14 @@ elif [[ "${#INCLUDED_PACKAGES[@]}" -gt 0 && "${#EXCLUDED_PACKAGES[@]}" -gt 0 ]];
 
 else
     echo "No packages to install."
-
 fi
 
 # Install conflicted packages to resolve dependencies
 if [[ "${#CONFLICTED_PACKAGES[@]}" -gt 0 ]]; then
-    rpm-ostree override replace \
-    --experimental \
-    --from repo=updates \
-    ${CONFLICTED_PACKAGES[@]} || true
+    rpm-ostree install ${CONFLICTED_PACKAGES[@]}
 fi
 
-# check if any excluded packages are still present
+# Check if any excluded packages are still present
 # (this can happen if an included package pulls in a dependency)
 EXCLUDED_PACKAGES=($(jq -r "[(.all.exclude | (select(.\"$PACKAGE_LIST\" != null).\"$PACKAGE_LIST\")[]), \
                              (select(.\"$FEDORA_MAJOR_VERSION\" != null).\"$FEDORA_MAJOR_VERSION\".exclude | (select(.\"$PACKAGE_LIST\" != null).\"$PACKAGE_LIST\")[])] \
@@ -70,8 +66,8 @@ if [[ "${#EXCLUDED_PACKAGES[@]}" -gt 0 ]]; then
     EXCLUDED_PACKAGES=($(rpm -qa --queryformat='%{NAME} ' ${EXCLUDED_PACKAGES[@]}))
 fi
 
-# remove any exluded packages which are still present on image
+# Remove any excluded packages which are still present on image
 if [[ "${#EXCLUDED_PACKAGES[@]}" -gt 0 ]]; then
     rpm-ostree override remove \
         ${EXCLUDED_PACKAGES[@]}
-fi
\ No newline at end of file
+fi
diff --git a/packages.json b/packages.json
index d9435f1e..e5e931ad 100644
--- a/packages.json
+++ b/packages.json
@@ -10,7 +10,8 @@
 		},
         "conflictedpackages": {
             "up": [
-                "steam"
+                "steam",
+                "libvirt"
             ]
         },
 		"exclude": {