diff --git a/packages/coverage-v8/src/provider.ts b/packages/coverage-v8/src/provider.ts
index 2f52cf8bf386..11b904e9aa62 100644
--- a/packages/coverage-v8/src/provider.ts
+++ b/packages/coverage-v8/src/provider.ts
@@ -323,6 +323,10 @@ export class V8CoverageProvider extends BaseCoverageProvider implements Coverage
       }
     }
 
+    const sources = [url]
+    if (map.sources && map.sources[0] && !url.endsWith(map.sources[0]))
+      sources[0] = new URL(map.sources[0], url).href
+
     return {
       originalSource: sourcesContent,
       source: code || sourcesContent,
@@ -330,7 +334,7 @@ export class V8CoverageProvider extends BaseCoverageProvider implements Coverage
         sourcemap: excludeGeneratedCode(code, {
           ...map,
           version: 3,
-          sources: [url],
+          sources,
           sourcesContent: [sourcesContent],
         }),
       },
diff --git a/test/coverage-test/coverage-report-tests/__snapshots__/v8.report.test.ts.snap b/test/coverage-test/coverage-report-tests/__snapshots__/v8.report.test.ts.snap
index 25d2f066ef2a..f768be1c91d0 100644
--- a/test/coverage-test/coverage-report-tests/__snapshots__/v8.report.test.ts.snap
+++ b/test/coverage-test/coverage-report-tests/__snapshots__/v8.report.test.ts.snap
@@ -4734,307 +4734,6 @@ exports[`v8 json report 1`] = `
     },
   },
   "<process-cwd>/src/original.ts": {
-    "all": true,
-    "b": {
-      "0": [
-        0,
-      ],
-    },
-    "branchMap": {
-      "0": {
-        "line": 1,
-        "loc": {
-          "end": {
-            "column": 18,
-            "line": 21,
-          },
-          "start": {
-            "column": 0,
-            "line": 1,
-          },
-        },
-        "locations": [
-          {
-            "end": {
-              "column": 18,
-              "line": 21,
-            },
-            "start": {
-              "column": 0,
-              "line": 1,
-            },
-          },
-        ],
-        "type": "branch",
-      },
-    },
-    "f": {
-      "0": 0,
-    },
-    "fnMap": {
-      "0": {
-        "decl": {
-          "end": {
-            "column": 18,
-            "line": 21,
-          },
-          "start": {
-            "column": 0,
-            "line": 1,
-          },
-        },
-        "line": 1,
-        "loc": {
-          "end": {
-            "column": 18,
-            "line": 21,
-          },
-          "start": {
-            "column": 0,
-            "line": 1,
-          },
-        },
-        "name": "(empty-report)",
-      },
-    },
-    "path": "<process-cwd>/src/original.ts",
-    "s": {
-      "0": 0,
-      "1": 0,
-      "10": 0,
-      "11": 0,
-      "12": 0,
-      "13": 0,
-      "14": 0,
-      "15": 0,
-      "16": 0,
-      "17": 0,
-      "18": 0,
-      "19": 0,
-      "2": 0,
-      "20": 0,
-      "3": 0,
-      "4": 0,
-      "5": 0,
-      "6": 0,
-      "7": 0,
-      "8": 0,
-      "9": 0,
-    },
-    "statementMap": {
-      "0": {
-        "end": {
-          "column": 41,
-          "line": 1,
-        },
-        "start": {
-          "column": 0,
-          "line": 1,
-        },
-      },
-      "1": {
-        "end": {
-          "column": 12,
-          "line": 2,
-        },
-        "start": {
-          "column": 0,
-          "line": 2,
-        },
-      },
-      "10": {
-        "end": {
-          "column": 16,
-          "line": 11,
-        },
-        "start": {
-          "column": 0,
-          "line": 11,
-        },
-      },
-      "11": {
-        "end": {
-          "column": 11,
-          "line": 12,
-        },
-        "start": {
-          "column": 0,
-          "line": 12,
-        },
-      },
-      "12": {
-        "end": {
-          "column": 3,
-          "line": 13,
-        },
-        "start": {
-          "column": 0,
-          "line": 13,
-        },
-      },
-      "13": {
-        "end": {
-          "column": 0,
-          "line": 14,
-        },
-        "start": {
-          "column": 0,
-          "line": 14,
-        },
-      },
-      "14": {
-        "end": {
-          "column": 26,
-          "line": 15,
-        },
-        "start": {
-          "column": 0,
-          "line": 15,
-        },
-      },
-      "15": {
-        "end": {
-          "column": 14,
-          "line": 16,
-        },
-        "start": {
-          "column": 0,
-          "line": 16,
-        },
-      },
-      "16": {
-        "end": {
-          "column": 11,
-          "line": 17,
-        },
-        "start": {
-          "column": 0,
-          "line": 17,
-        },
-      },
-      "17": {
-        "end": {
-          "column": 3,
-          "line": 18,
-        },
-        "start": {
-          "column": 0,
-          "line": 18,
-        },
-      },
-      "18": {
-        "end": {
-          "column": 2,
-          "line": 19,
-        },
-        "start": {
-          "column": 0,
-          "line": 19,
-        },
-      },
-      "19": {
-        "end": {
-          "column": 0,
-          "line": 20,
-        },
-        "start": {
-          "column": 0,
-          "line": 20,
-        },
-      },
-      "2": {
-        "end": {
-          "column": 16,
-          "line": 3,
-        },
-        "start": {
-          "column": 0,
-          "line": 3,
-        },
-      },
-      "20": {
-        "end": {
-          "column": 18,
-          "line": 21,
-        },
-        "start": {
-          "column": 0,
-          "line": 21,
-        },
-      },
-      "3": {
-        "end": {
-          "column": 11,
-          "line": 4,
-        },
-        "start": {
-          "column": 0,
-          "line": 4,
-        },
-      },
-      "4": {
-        "end": {
-          "column": 3,
-          "line": 5,
-        },
-        "start": {
-          "column": 0,
-          "line": 5,
-        },
-      },
-      "5": {
-        "end": {
-          "column": 0,
-          "line": 6,
-        },
-        "start": {
-          "column": 0,
-          "line": 6,
-        },
-      },
-      "6": {
-        "end": {
-          "column": 12,
-          "line": 7,
-        },
-        "start": {
-          "column": 0,
-          "line": 7,
-        },
-      },
-      "7": {
-        "end": {
-          "column": 9,
-          "line": 8,
-        },
-        "start": {
-          "column": 0,
-          "line": 8,
-        },
-      },
-      "8": {
-        "end": {
-          "column": 0,
-          "line": 9,
-        },
-        "start": {
-          "column": 0,
-          "line": 9,
-        },
-      },
-      "9": {
-        "end": {
-          "column": 18,
-          "line": 10,
-        },
-        "start": {
-          "column": 0,
-          "line": 10,
-        },
-      },
-    },
-  },
-  "<process-cwd>/src/transpiled.js": {
     "all": false,
     "b": {
       "0": [
@@ -5210,7 +4909,7 @@ exports[`v8 json report 1`] = `
         "name": "noop",
       },
     },
-    "path": "<process-cwd>/src/transpiled.js",
+    "path": "<process-cwd>/src/original.ts",
     "s": {
       "0": 1,
       "1": 1,