diff --git a/build-tools/packages/version-tools/src/semver.ts b/build-tools/packages/version-tools/src/semver.ts
index 5aa7f26a026d..ecf10f23fb92 100644
--- a/build-tools/packages/version-tools/src/semver.ts
+++ b/build-tools/packages/version-tools/src/semver.ts
@@ -102,6 +102,7 @@ export function detectBumpType(
 	if (v2Parsed === null || v2 === null) {
 		throw new Error(`Invalid version: ${v2}`);
 	}
+	const v2Scheme = detectVersionScheme(v2Parsed);
 
 	const v1IsInternal = isInternalVersionScheme(v1, true, true);
 	const v2IsInternal = isInternalVersionScheme(v2, true, true);
@@ -121,7 +122,6 @@ export function detectBumpType(
 		v2PrereleaseId = prereleaseId;
 	}
 
-	const v2Scheme = detectVersionScheme(v2Parsed);
 	if (
 		// This is a special case for RC and internal builds. RC builds are always a
 		// major bump compared to an internal build.
diff --git a/build-tools/packages/version-tools/src/test/semver.test.ts b/build-tools/packages/version-tools/src/test/semver.test.ts
index c8482a6ad21e..80716152437a 100644
--- a/build-tools/packages/version-tools/src/test/semver.test.ts
+++ b/build-tools/packages/version-tools/src/test/semver.test.ts
@@ -26,6 +26,22 @@ describe("semver", () => {
 			assert.equal(detectBumpType("0.0.1", "0.0.2"), "patch");
 		});
 
+		it("RC patch", () => {
+			assert.equal(detectBumpType("2.0.0-rc.5.0.2", "2.0.0-rc.5.0.3"), "patch");
+		});
+
+		it("internal version scheme patch", () => {
+			assert.equal(detectBumpType("2.0.0-internal.4.0.7", "2.0.0-internal.4.0.8"), "patch");
+		});
+
+		it("internal -> RC is major", () => {
+			assert.equal(detectBumpType("2.0.0-internal.1.0.7", "2.0.0-rc.2.0.8"), "major");
+		});
+
+		it("RC -> internal throws", () => {
+			assert.throws(() => detectBumpType("2.0.0-rc.4.0.7", "2.0.0-internal.5.0.0"));
+		});
+
 		it("premajor", () => {
 			assert.equal(detectBumpType("0.0.1-foo", "1.0.0"), "major");
 		});