diff --git a/types/ramda/index.d.ts b/types/ramda/index.d.ts
index 2c21363b1a..e1b1f21334 100644
--- a/types/ramda/index.d.ts
+++ b/types/ramda/index.d.ts
@@ -473,8 +473,8 @@ declare namespace R {
          * Applies a function to the value at the given index of an array, returning a new copy of the array with the
          * element at the given index replaced with the result of the function application.
          */
-        adjust<T>(fn: (a: T) => T, index: number, list: ReadonlyArray<T>): T[];
-        adjust<T>(fn: (a: T) => T, index: number): (list: ReadonlyArray<T>) => T[];
+        adjust<T>(index: number, fn: (a: T) => T, list: ReadonlyArray<T>): T[];
+        adjust<T>(index: number, fn: (a: T) => T): (list: ReadonlyArray<T>) => T[];
 
         /**
          * Returns true if all elements of the list match the predicate, false if there are any that don't.
diff --git a/types/ramda/ramda-tests.ts b/types/ramda/ramda-tests.ts
index 6a03cbc3f0..9db133c971 100644
--- a/types/ramda/ramda-tests.ts
+++ b/types/ramda/ramda-tests.ts
@@ -299,7 +299,7 @@ class F2 {
 
     const capitalize = (str: string) => R.pipe(
         R.split(""),
-        R.adjust(R.toUpper, 0),
+        R.adjust(0, R.toUpper),
         R.join("")
     )(str);