diff --git a/src/main.ts b/src/main.ts
index e7368ca..65792da 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -147,7 +147,7 @@ export async function run(): Promise<void> {
     if (skaffoldFile) {
       cmd.push('--skaffold-file', skaffoldFile);
     }
-    if (deployParameters) {
+    if (deployParameters && Object.keys(deployParameters).length > 0) {
       cmd.push('--deploy-parameters', joinKVString(deployParameters));
     }
 
diff --git a/tests/unit/main.test.ts b/tests/unit/main.test.ts
index 3cdeea7..2240e28 100644
--- a/tests/unit/main.test.ts
+++ b/tests/unit/main.test.ts
@@ -362,6 +362,16 @@ test('#run', { concurrency: true }, async (suite) => {
     ]);
   });
 
+  await suite.test('does not set deploy parameters if not given', async (t) => {
+    const mocks = defaultMocks(t.mock);
+
+    await run();
+
+    const execArguments = mocks.getExecOutput.mock.calls?.at(0)?.arguments?.at(1);
+    assert(execArguments);
+    assert(!execArguments?.includes('--deploy-parameters'));
+  });
+
   await suite.test('sets flags if given', async (t) => {
     const mocks = defaultMocks(t.mock, {
       flags: '--flag1=value1 --flag2=value2',