diff --git a/.changeset/real-kiwis-double.md b/.changeset/real-kiwis-double.md
new file mode 100644
index 0000000000..d10f60149c
--- /dev/null
+++ b/.changeset/real-kiwis-double.md
@@ -0,0 +1,5 @@
+---
+"@tiptap/core": patch
+---
+
+This fixes a discrepency between `getMarksBetween` and `isActive(markName)` where the position used for getMarksBetween was off by one
diff --git a/packages/core/src/helpers/getMarksBetween.ts b/packages/core/src/helpers/getMarksBetween.ts
index 177b9bbcee..99c85940a0 100644
--- a/packages/core/src/helpers/getMarksBetween.ts
+++ b/packages/core/src/helpers/getMarksBetween.ts
@@ -12,7 +12,7 @@ export function getMarksBetween(from: number, to: number, doc: ProseMirrorNode):
       .resolve(from)
       .marks()
       .forEach(mark => {
-        const $pos = doc.resolve(from - 1)
+        const $pos = doc.resolve(from)
         const range = getMarkRange($pos, mark.type)
 
         if (!range) {