diff --git a/src/providers/fontsource.ts b/src/providers/fontsource.ts
index 86fbae2..d1a0e4e 100644
--- a/src/providers/fontsource.ts
+++ b/src/providers/fontsource.ts
@@ -24,8 +24,6 @@ export default {
   },
 } satisfies FontProvider
 
-/** internal */
-
 const fontAPI = $fetch.create({
   baseURL: 'https://api.fontsource.org/v1'
 })
@@ -103,23 +101,23 @@ async function getFontDetails (family: string, variants: ResolveFontFacesOptions
   const font = fonts[id]!
   const weights = variants.weights.filter(weight => font.weights.includes(Number(weight)))
   const styles = variants.styles.filter(style => font.styles.includes(style))
+  const subsets = variants.subsets ? variants.subsets.filter(subset => font.subsets.includes(subset)) : [font.defSubset]
   if (weights.length === 0 || styles.length === 0) return []
 
   const fontDetail = await fontAPI<FontsourceFontDetail>(`/fonts/${font.id}`, { responseType: 'json' })
   const fontFaceData: NormalizedFontFaceData[] = []
 
-  // TODO: support subsets apart from default
-  const defaultSubset = fontDetail.defSubset
-
-  for (const weight of weights) {
-    for (const style of styles) {
-      const variantUrl = fontDetail.variants[weight]![style]![defaultSubset]!.url
-      fontFaceData.push({
-        style,
-        weight,
-        src: Object.entries(variantUrl).map(([format, url]) => ({ url, format })),
-        unicodeRange: fontDetail.unicodeRange[defaultSubset]?.split(',')
-      })
+  for (const subset of subsets) {
+    for (const weight of weights) {
+      for (const style of styles) {
+        const variantUrl = fontDetail.variants[weight]![style]![subset]!.url
+        fontFaceData.push({
+          style,
+          weight,
+          src: Object.entries(variantUrl).map(([format, url]) => ({url, format})),
+          unicodeRange: fontDetail.unicodeRange[subset]?.split(',')
+        })
+      }
     }
   }
 
diff --git a/test/basic.test.ts b/test/basic.test.ts
index 47a525f..b517508 100644
--- a/test/basic.test.ts
+++ b/test/basic.test.ts
@@ -40,6 +40,16 @@ describe('providers', async () => {
       [
         "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular Italic"),local("Roboto Mono Italic"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;font-weight:400;font-style:italic}",
         "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular"),local("Roboto Mono"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;font-weight:400;font-style:normal}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular Italic"),local("Roboto Mono Italic"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;font-weight:400;font-style:italic}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular"),local("Roboto Mono"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;font-weight:400;font-style:normal}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular Italic"),local("Roboto Mono Italic"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;font-weight:400;font-style:italic}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular"),local("Roboto Mono"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;font-weight:400;font-style:normal}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular Italic"),local("Roboto Mono Italic"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF;font-weight:400;font-style:italic}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular"),local("Roboto Mono"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF;font-weight:400;font-style:normal}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular Italic"),local("Roboto Mono Italic"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;font-weight:400;font-style:italic}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular"),local("Roboto Mono"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;font-weight:400;font-style:normal}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular Italic"),local("Roboto Mono Italic"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0460-052F,U+1C80-1C88,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F;font-weight:400;font-style:italic}",
+        "@font-face{font-family:Roboto Mono;src:local("Roboto Mono Regular"),local("Roboto Mono"),url(/_fonts/file.woff2) format(woff2),url(/_fonts/file.woff) format(woff),url(/_fonts/file.ttf) format(ttf);font-display:swap;unicode-range:U+0460-052F,U+1C80-1C88,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F;font-weight:400;font-style:normal}",
       ]
     `)
   })