diff --git a/utils.sh b/utils.sh
index 2084e99..d5f1c43 100755
--- a/utils.sh
+++ b/utils.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-#All common functions can be added to this file
+# All common functions can be added to this file
 
 exists() { type -t "$1" > /dev/null 2>&1; }
 
diff --git a/version.sh b/version.sh
index c6feaef..59ca17d 100755
--- a/version.sh
+++ b/version.sh
@@ -1,18 +1,20 @@
 #!/bin/bash
 
-set -e
-
 if [[ -z "${BUILD_SOURCEVERSION}" ]]; then
 
-    npm install -g checksum
-
     vscodium_hash=$( git rev-parse HEAD )
 
     cd vscode
     vscode_hash=$( git rev-parse HEAD )
     cd ..
 
-    export BUILD_SOURCEVERSION=$( echo "${vscodium_hash}:${vscode_hash}" | checksum )
+    if type -t "sha1sum" > /dev/null 2>&1; then
+      export BUILD_SOURCEVERSION=$( echo "${vscodium_hash}:${vscode_hash}" | sha1sum | cut -d' ' -f1 )
+    else
+      npm install -g checksum
+
+      export BUILD_SOURCEVERSION=$( echo "${vscodium_hash}:${vscode_hash}" | checksum )
+    fi
 
     echo "Build version: ${BUILD_SOURCEVERSION}"