diff --git a/scripts/setenv b/scripts/setenv
index 77ea29fa6e..9ad51e1643 100755
--- a/scripts/setenv
+++ b/scripts/setenv
@@ -41,7 +41,7 @@ fi
 
 # Get the short SHA1
 export OPENRCT2_SHA1=$GITHUB_SHA
-export OPENRCT2_SHA1_SHORT=$(git rev-parse --short $GITHUB_SHA)
+export OPENRCT2_SHA1_SHORT=${OPENRCT2_SHA1::10}
 unset OPENRCT2_VERSION_EXTRA
 if [[ "$OPENRCT2_TAG" != "true" ]]; then
     export OPENRCT2_VERSION_EXTRA=$OPENRCT2_BRANCH-$OPENRCT2_SHA1_SHORT
diff --git a/scripts/upload-build b/scripts/upload-build
index e6b7c8ece8..5dbb4dc37c 100755
--- a/scripts/upload-build
+++ b/scripts/upload-build
@@ -24,7 +24,7 @@ sha1=$4
 branch=$5
 
 if [ -n "$branch" ]; then
-    versionextra=-$branch-$(git rev-parse --short $sha1)
+    versionextra=-$branch-${sha1::10}
 fi
 filename=OpenRCT2-$version$versionextra-$flavour