diff --git a/Rules/Languages/de/definitions.yaml b/Rules/Languages/de/definitions.yaml
index 6b716ed0..0783d946 100644
--- a/Rules/Languages/de/definitions.yaml
+++ b/Rules/Languages/de/definitions.yaml
@@ -173,9 +173,32 @@
     "byte": "byte", "baud": "baud",
     "zoll": "zoll", "fuß": "füße", "meile": "meilen", "rute": "ruten",
     "glied": "glieder", "kette": "ketten", "fass": "fässer", "gallone": "gallonen",
+    "quadratzoll": "quadratzoll", "quadratfuß": "quadratfüße", "quadratyard": "quadratyards",
+    "quadratmeile": "quadratmeilen", "morgen": "morgen", "brettfuß": "brettfüße",
+    "kubikzoll": "kubikzoll", "kubikfuß": "kubikfüße", "kubikyard": "kubikyards",
+    "buschelmaß": "buschelmaße", "buschel": "buschel", "teelöffel": "teelöffel",
+    "esslöffel": "esslöffel", "flüssige dram": "flüssige drams", "gill": "gills",
+    "tasse": "tassen", "pint": "pints", "quart": "quarts", "korn": "körner",
+    "dram": "drams", "unze": "unzen", "pfund": "pfund", "zentner": "zentner",
+    "feingewicht": "feingewichte", "troy-unze": "troy-unzen", "troy-pfund": "troy-pfund",
+    "ps": "ps", "britische wärmeeinheit": "britische wärmeeinheiten",
     "grad fahrenheit": "grad fahrenheit",
-    "umdrehungen pro minute": "umdrehungen pro minute",
-    "meile pro stunde": "meilen pro stunde", "meile pro gallone": "meilen pro gallone"
+    "meile pro stunde": "meilen pro stunde", "meile pro gallone": "meilen pro gallone",
+
+    "minute": "minuten", "stunde": "stunden", "tag": "tage", "woche": "wochen",
+    "grad": "grade", "astronomische einheit": "astronomische einheiten",
+    "lichtjahr": "lichtjahre", "parsec": "parsec", "ångström": "ångström",
+    "fermi": "fermis", "hektar": "hektar", "dezibel": "dezibel",
+    "atmosphäre": "atmosphären", "bar": "bar", "kalorie": "kalorien", "curie": "curie",
+    "gon": "gon", "mol/liter": "mol/liter", "röntgen": "röntgen", "mho": "mho",
+    "dyn": "dyn", "erg": "erg",
+    "kibi-bit": "kibi-bit", "mebi-bit": "mebi-bit", "gibi-bit": "gibi-bit",
+    "tebi-bit": "tebi-bit", "pebi-bit": "pebi-bit", "exbi-bit": "exbi-bit",
+    "zebi-bit": "zebi-bit", "yobi-bit": "yobi-bit",
+    "kibi-byte": "kibi-byte", "mebi-byte": "mebi-byte", "gibi-byte": "gibi-byte",
+    "tebi-byte": "tebi-byte", "pebi-byte": "pebi-byte", "exbi-byte": "exbi-byte",
+    "zebi-byte": "zebi-byte", "yobi-byte": "yobi-byte",
+    "umdrehungen pro minute": "umdrehungen pro minute"
   }
 
 
diff --git a/tests/Languages/de/units.rs b/tests/Languages/de/units.rs
index c31b3d06..fffd6ac5 100644
--- a/tests/Languages/de/units.rs
+++ b/tests/Languages/de/units.rs
@@ -88,6 +88,21 @@ fn english_rute_plural_regression() -> Result<()> {
     Ok(())
 }
 
+#[test]
+fn non_si_unit_plural_regression() -> Result<()> {
+    let expr = r#"<math>
+        <mn>1</mn><mi intent=":unit">h</mi><mo>,</mo><mn>2</mn><mi intent=":unit">h</mi><mo>,</mo>
+        <mn>1</mn><mi intent=":unit">d</mi><mo>,</mo><mn>2</mn><mi intent=":unit">d</mi><mo>,</mo>
+        <mn>1</mn><mi intent=":unit">w</mi><mo>,</mo><mn>2</mn><mi intent=":unit">w</mi><mo>,</mo>
+        <mn>1</mn><mi intent=":unit">pc</mi><mo>,</mo><mn>2</mn><mi intent=":unit">pc</mi><mo>,</mo>
+        <mn>1</mn><mi intent=":unit">ha</mi><mo>,</mo><mn>2</mn><mi intent=":unit">ha</mi><mo>,</mo>
+        <mn>1</mn><mi intent=":unit">Kib</mi><mo>,</mo><mn>2</mn><mi intent=":unit">Kib</mi>
+    </math>"#;
+    test("de", "SimpleSpeak", expr,
+        "1 stunde, komma 2 stunden, komma 1 tag komma 2 tage, komma 1 woche komma 2 wochen, komma 1 parsec, komma 2 parsec, komma 1 hektar, komma 2 hektar, komma 1 kibi-bit, komma 2 kibi-bit")?;
+    Ok(())
+}
+
 /*
 #[test]
 fn si_base_with_prefixes() -> Result<()> {