diff --git a/packages/vite-plugin-svelte/src/utils/__tests__/svelte-version.spec.ts b/packages/vite-plugin-svelte/src/utils/__tests__/svelte-version.spec.ts
index 3d8b9e62e..6af0a1a88 100644
--- a/packages/vite-plugin-svelte/src/utils/__tests__/svelte-version.spec.ts
+++ b/packages/vite-plugin-svelte/src/utils/__tests__/svelte-version.spec.ts
@@ -61,42 +61,42 @@ describe('svelte-version', () => {
 			expect(atLeastSvelte(VERSION)).toBe(true);
 		});
 
-		it('should return true for patch bump', async () => {
+		it('should return false for higher patch', async () => {
 			const patch = svelteVersion.concat();
 			patch[2] += 1;
 			const patchBump = patch.join('.');
-			expect(atLeastSvelte(patchBump)).toBe(true);
+			expect(atLeastSvelte(patchBump)).toBe(false);
 		});
-		it('should return true for minor bump', async () => {
+		it('should return false for higher minor', async () => {
 			const minor = svelteVersion.concat();
 			minor[1] += 1;
 			const minorBump = minor.join('.');
-			expect(atLeastSvelte(minorBump)).toBe(true);
+			expect(atLeastSvelte(minorBump)).toBe(false);
 		});
-		it('should return true for major bump', async () => {
+		it('should return false for higher major', async () => {
 			const major = svelteVersion.concat();
 			major[0] += 1;
 			const majorBump = major.join('.');
-			expect(atLeastSvelte(majorBump)).toBe(true);
+			expect(atLeastSvelte(majorBump)).toBe(false);
 		});
 
-		it('should return false for lower patch', async () => {
+		it('should return true for lower patch', async () => {
 			const patch = svelteVersion.concat();
 			patch[2] -= 1;
 			const lowerPatch = patch.join('.');
-			expect(atLeastSvelte(lowerPatch)).toBe(false);
+			expect(atLeastSvelte(lowerPatch)).toBe(true);
 		});
-		it('should return false for lower minor', async () => {
+		it('should return true for lower minor', async () => {
 			const minor = svelteVersion.concat();
 			minor[1] -= 1;
 			const lowerMinor = minor.join('.');
-			expect(atLeastSvelte(lowerMinor)).toBe(false);
+			expect(atLeastSvelte(lowerMinor)).toBe(true);
 		});
-		it('should return false for lower major', async () => {
+		it('should return true for lower major', async () => {
 			const major = svelteVersion.concat();
 			major[0] -= 1;
 			const lowerMajor = major.join('.');
-			expect(atLeastSvelte(lowerMajor)).toBe(false);
+			expect(atLeastSvelte(lowerMajor)).toBe(true);
 		});
 	});
 });
diff --git a/packages/vite-plugin-svelte/src/utils/esbuild.ts b/packages/vite-plugin-svelte/src/utils/esbuild.ts
index d2ebce229..a9a37c403 100644
--- a/packages/vite-plugin-svelte/src/utils/esbuild.ts
+++ b/packages/vite-plugin-svelte/src/utils/esbuild.ts
@@ -43,7 +43,7 @@ async function compileSvelte(
 ): Promise<string> {
 	let css = options.compilerOptions.css;
 	if (css !== 'none') {
-		css = isCssString ? 'inject' : true;
+		css = isCssString ? 'injected' : true;
 	}
 	const compileOptions: CompileOptions = {
 		...options.compilerOptions,
diff --git a/packages/vite-plugin-svelte/src/utils/svelte-version.ts b/packages/vite-plugin-svelte/src/utils/svelte-version.ts
index e9a3f25b6..90503a8fe 100644
--- a/packages/vite-plugin-svelte/src/utils/svelte-version.ts
+++ b/packages/vite-plugin-svelte/src/utils/svelte-version.ts
@@ -32,5 +32,6 @@ export function compareToSvelte(version: string): 1 | 0 | -1 {
 }
 
 export function atLeastSvelte(version: string) {
-	return compareToSvelte(version) >= 0;
+	const result = compareToSvelte(version) <= 0;
+	return result;
 }