diff --git a/package.json b/package.json
index ed2c5f4..9196015 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "build-all": "npm run build-examples && npm run build-dashboard",
     "build": "npm run clean && npm run mkdirs && npm run build-all && npm run copy",
     "start": "npm run examples",
-    "test" : "sh ./ts-tests/runTsTests.sh"
+    "test" : "./ts-tests/runTsTests.sh"
   },
   "repository": {
     "type": "git",
diff --git a/ts-tests/runTsTests.sh b/ts-tests/runTsTests.sh
index f04d1bb..5970611 100755
--- a/ts-tests/runTsTests.sh
+++ b/ts-tests/runTsTests.sh
@@ -7,7 +7,7 @@ error_found=false
 
 # has an invalid property - should complain
 ./node_modules/.bin/tsc --target "ES5" --module 'commonjs' --lib esnext,dom --allowSyntheticDefaultImports --jsx 'preserve' --noEmit --strict ts-tests/InvalidGridProperty.tsx &> /dev/null
-if [ $? -ne 0 ]; then
+if [ $? -ne 1 ]; then
     echo "ag-grid-react grid with invalid property should throw a compiler error"
     error_found=true
 fi