diff --git a/packages/graphql-server/src/rowDiffs/rowDiff.resolver.ts b/packages/graphql-server/src/rowDiffs/rowDiff.resolver.ts
index e18696cc..271772e2 100644
--- a/packages/graphql-server/src/rowDiffs/rowDiff.resolver.ts
+++ b/packages/graphql-server/src/rowDiffs/rowDiff.resolver.ts
@@ -84,7 +84,7 @@ export class RowDiffResolver {
           const rows = await getRowsForDiff(query, {
             ...dbArgs,
             tableName,
-            refName: toCommitId,
+            refName: fromCommitId,
           });
           return fromOneSidedTable(rows, "dropped", args.filterByRowType);
         }
@@ -92,7 +92,7 @@ export class RowDiffResolver {
           const rows = await getRowsForDiff(query, {
             ...dbArgs,
             tableName,
-            refName: fromCommitId,
+            refName: toCommitId,
           });
           return fromOneSidedTable(rows, "added", args.filterByRowType);
         }
@@ -153,10 +153,10 @@ async function resolveRefs(
   type?: CommitDiffType,
 ): Promise<{ fromCommitId: string; toCommitId: string }> {
   if (type === CommitDiffType.ThreeDot) {
-    const fromCommitId = await query(hashOf, [fromRefName]);
-    const toCommitId = await query(mergeBase, [toRefName, fromRefName]);
+    const toCommitId = await query(hashOf, [fromRefName]);
+    const mergeBaseCommit = await query(mergeBase, [toRefName, fromRefName]);
     return {
-      fromCommitId: Object.values(fromCommitId[0])[0],
+      fromCommitId: Object.values(mergeBaseCommit[0])[0],
       toCommitId: Object.values(toCommitId[0])[0],
     };
   }
diff --git a/packages/web/lib/urls.ts b/packages/web/lib/urls.ts
index bcba5f72..87685ee8 100644
--- a/packages/web/lib/urls.ts
+++ b/packages/web/lib/urls.ts
@@ -84,13 +84,11 @@ export const releases = (p: ps.OptionalRefParams): Route =>
   database(p).addStatic("releases").withQuery({ refName: p.refName });
 
 export const pulls = (p: ps.PullParams): Route =>
-  database(p)
-    .addStatic("pulls")
-    .withQuery({
-      refName: p.refName,
-      from: p.fromBranchName,
-      to: p.toBranchName,
-    });
+  database(p).addStatic("pulls").withQuery({
+    refName: p.refName,
+    from: p.fromBranchName,
+    to: p.toBranchName,
+  });
 
 export const newRelease = (p: ps.OptionalRefParams): Route =>
   releases(p).addStatic("new").withQuery({ refName: p.refName });