diff --git a/app/src/main/java/com/sadellie/unitto/data/units/AbstractUnit.kt b/app/src/main/java/com/sadellie/unitto/data/units/AbstractUnit.kt
index ea5cedd3..8f1048ec 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/AbstractUnit.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/AbstractUnit.kt
@@ -1,5 +1,6 @@
 package com.sadellie.unitto.data.units
 
+import androidx.annotation.StringRes
 import java.math.BigDecimal
 
 /**
@@ -21,8 +22,8 @@ import java.math.BigDecimal
  */
 abstract class AbstractUnit(
     val unitId: String,
-    val displayName: Int,
-    val shortName: Int,
+    @StringRes val displayName: Int,
+    @StringRes val shortName: Int,
     var basicUnit: BigDecimal,
     val group: UnitGroup,
     var renderedName: String = String(),
diff --git a/app/src/main/java/com/sadellie/unitto/data/units/MyUnit.kt b/app/src/main/java/com/sadellie/unitto/data/units/MyUnit.kt
index e4e30f2c..2db9bc9f 100644
--- a/app/src/main/java/com/sadellie/unitto/data/units/MyUnit.kt
+++ b/app/src/main/java/com/sadellie/unitto/data/units/MyUnit.kt
@@ -1,5 +1,6 @@
 package com.sadellie.unitto.data.units
 
+import androidx.annotation.StringRes
 import com.sadellie.unitto.data.preferences.MAX_PRECISION
 import com.sadellie.unitto.screens.setMinimumRequiredScale
 import java.math.BigDecimal
@@ -15,8 +16,8 @@ class MyUnit(
     unitId: String,
     basicUnit: BigDecimal,
     group: UnitGroup,
-    displayName: Int,
-    shortName: Int,
+    @StringRes displayName: Int,
+    @StringRes shortName: Int,
 ) : AbstractUnit(
     unitId = unitId,
     displayName = displayName,