diff --git a/data/currencies/src/main/java/de/mm20/launcher2/currencies/CurrencyRepository.kt b/data/currencies/src/main/java/de/mm20/launcher2/currencies/CurrencyRepository.kt
index a34762c5c..a9c12bdb5 100644
--- a/data/currencies/src/main/java/de/mm20/launcher2/currencies/CurrencyRepository.kt
+++ b/data/currencies/src/main/java/de/mm20/launcher2/currencies/CurrencyRepository.kt
@@ -122,7 +122,7 @@ class CurrencyRepository(
      * @return The resolved currency symbol or the original symbol if no alias was found
      */
     fun resolveAlias(symbol: String): String {
-        return currencySymbolAliases[symbol] ?: symbol
+        return currencySymbolAliases[symbol] ?: symbol.uppercase()
     }
 
     suspend fun convertCurrency(
@@ -168,7 +168,7 @@ class CurrencyRepository(
     }
 
     suspend fun isValidCurrency(symbol: String): Boolean {
-        val isoSymbol = currencySymbolAliases[symbol] ?: symbol
+        val isoSymbol = currencySymbolAliases[symbol] ?: symbol.uppercase()
         return withContext(Dispatchers.IO) {
             AppDatabase.getInstance(context).currencyDao().exists(isoSymbol)
         }
diff --git a/data/unitconverter/src/main/java/de/mm20/launcher2/unitconverter/converters/CurrencyConverter.kt b/data/unitconverter/src/main/java/de/mm20/launcher2/unitconverter/converters/CurrencyConverter.kt
index 7a19b6e44..c2a5df88a 100644
--- a/data/unitconverter/src/main/java/de/mm20/launcher2/unitconverter/converters/CurrencyConverter.kt
+++ b/data/unitconverter/src/main/java/de/mm20/launcher2/unitconverter/converters/CurrencyConverter.kt
@@ -28,7 +28,7 @@ class CurrencyConverter(
     private val topCurrencies = arrayOf("USD", "EUR", "JPY", "GBP", "AUD")
 
     override suspend fun isValidUnit(symbol: String): Boolean {
-        return repository.isValidCurrency(symbol.uppercase())
+        return repository.isValidCurrency(symbol)
     }
 
 
@@ -76,7 +76,7 @@ class CurrencyConverter(
         value: Double,
         toUnit: String?
     ): UnitConverter {
-        val fromIsoCode = repository.resolveAlias(fromUnit.uppercase())
+        val fromIsoCode = repository.resolveAlias(fromUnit)
         val toIsoCode = toUnit?.let { repository.resolveAlias(it) }
 
         val values = repository.convertCurrency(fromIsoCode, value, toIsoCode).map {