diff --git a/browser/extensions/formautofill/test/unit/test_getAdaptedProfiles_locales.js b/browser/extensions/formautofill/test/unit/test_getAdaptedProfiles_locales.js
index dc8097a9e0bf..1a971c83de26 100644
--- a/browser/extensions/formautofill/test/unit/test_getAdaptedProfiles_locales.js
+++ b/browser/extensions/formautofill/test/unit/test_getAdaptedProfiles_locales.js
@@ -91,7 +91,109 @@ const FR_TESTCASES = [
   },
 ];
 
-const TESTCASES = [FR_TESTCASES];
+const DE_TESTCASES = [
+  {
+    description: "Use placeholder to adjust cc-exp format [mm / jj].",
+    document: `<form><input autocomplete="cc-number">
+               <input placeholder="mm / jj" autocomplete="cc-exp"></form>`,
+    profileData: [Object.assign({}, DEFAULT_CREDITCARD_RECORD)],
+    expectedResult: [
+      Object.assign({}, DEFAULT_CREDITCARD_RECORD, {
+        "cc-exp": "01/25",
+      }),
+    ],
+  },
+  {
+    description: "Use placeholder to adjust cc-exp format [MM / JJ].",
+    document: `<form><input autocomplete="cc-number">
+               <input placeholder="MM / JJ" autocomplete="cc-exp"></form>`,
+    profileData: [Object.assign({}, DEFAULT_CREDITCARD_RECORD)],
+    expectedResult: [
+      Object.assign({}, DEFAULT_CREDITCARD_RECORD, {
+        "cc-exp": "01/25",
+      }),
+    ],
+  },
+  {
+    description: "Use placeholder to adjust cc-exp format [mm / jjjj].",
+    document: `<form><input autocomplete="cc-number">
+                 <input placeholder="mm / jjjj" autocomplete="cc-exp"></form>`,
+    profileData: [Object.assign({}, DEFAULT_CREDITCARD_RECORD)],
+    expectedResult: [
+      Object.assign({}, DEFAULT_CREDITCARD_RECORD, {
+        "cc-exp": "01/2025",
+      }),
+    ],
+  },
+  {
+    description: "Use placeholder to adjust cc-exp format [MM / JJJJ].",
+    document: `<form><input autocomplete="cc-number">
+                 <input placeholder="MM / JJJJ" autocomplete="cc-exp"></form>`,
+    profileData: [Object.assign({}, DEFAULT_CREDITCARD_RECORD)],
+    expectedResult: [
+      Object.assign({}, DEFAULT_CREDITCARD_RECORD, {
+        "cc-exp": "01/2025",
+      }),
+    ],
+  },
+  {
+    description: "Use placeholder to adjust cc-exp format [mm - jj].",
+    document: `<form><input autocomplete="cc-number">
+               <input placeholder="mm - jj" autocomplete="cc-exp"></form>`,
+    profileData: [Object.assign({}, DEFAULT_CREDITCARD_RECORD)],
+    expectedResult: [
+      Object.assign({}, DEFAULT_CREDITCARD_RECORD, {
+        "cc-exp": "01-25",
+      }),
+    ],
+  },
+  {
+    description: "Use placeholder to adjust cc-exp format [MM - JJ].",
+    document: `<form><input autocomplete="cc-number">
+               <input placeholder="MM - JJ" autocomplete="cc-exp"></form>`,
+    profileData: [Object.assign({}, DEFAULT_CREDITCARD_RECORD)],
+    expectedResult: [
+      Object.assign({}, DEFAULT_CREDITCARD_RECORD, {
+        "cc-exp": "01-25",
+      }),
+    ],
+  },
+  {
+    description: "Use placeholder to adjust cc-exp format [mm - jjjj].",
+    document: `<form><input autocomplete="cc-number">
+                 <input placeholder="mm - jjjj" autocomplete="cc-exp"></form>`,
+    profileData: [Object.assign({}, DEFAULT_CREDITCARD_RECORD)],
+    expectedResult: [
+      Object.assign({}, DEFAULT_CREDITCARD_RECORD, {
+        "cc-exp": "01-2025",
+      }),
+    ],
+  },
+  {
+    description: "Use placeholder to adjust cc-exp format [MM - JJJJ].",
+    document: `<form><input autocomplete="cc-number">
+                 <input placeholder="MM - JJJJ" autocomplete="cc-exp"></form>`,
+    profileData: [Object.assign({}, DEFAULT_CREDITCARD_RECORD)],
+    expectedResult: [
+      Object.assign({}, DEFAULT_CREDITCARD_RECORD, {
+        "cc-exp": "01-2025",
+      }),
+    ],
+  },
+  {
+    description: "Use placeholder to adjust cc-exp format [jjjj - mm].",
+    document: `<form><input autocomplete="cc-number">
+                 <input placeholder="jjjj - mm" autocomplete="cc-exp"></form>`,
+    profileData: [Object.assign({}, DEFAULT_CREDITCARD_RECORD)],
+    expectedResult: [
+      Object.assign({}, DEFAULT_CREDITCARD_RECORD, {
+        "cc-exp": "2025-01",
+      }),
+    ],
+  },
+];
+
+const TESTCASES = [FR_TESTCASES, DE_TESTCASES];
 
 for (let localeTests of TESTCASES) {
   for (let testcase of localeTests) {
diff --git a/toolkit/components/formautofill/FormAutofillHandler.jsm b/toolkit/components/formautofill/FormAutofillHandler.jsm
index 8599f1ae2772..de69d7d3af81 100644
--- a/toolkit/components/formautofill/FormAutofillHandler.jsm
+++ b/toolkit/components/formautofill/FormAutofillHandler.jsm
@@ -1087,10 +1087,11 @@ class FormAutofillCreditCardSection extends FormAutofillSection {
 
     // Bug 1687681: This is a short term fix to other locales having
     // different characters to represent year.
-    // For example, FR locales may use "A" instead of "Y" to represent year
+    // For example, FR locales may use "A" to represent year.
+    // For example, DE locales may use "J" to represent year.
     // This approach will not scale well and should be investigated in a follow up bug.
     let monthChars = "m";
-    let yearChars = "ya";
+    let yearChars = "yaj";
 
     let monthFirstCheck = new RegExp(
       "(?:\\b|^)((?:[" +