diff --git a/lib/src/main/kotlin/com/swmansion/starknet/crypto/NativeLoader.kt b/lib/src/main/kotlin/com/swmansion/starknet/crypto/NativeLoader.kt
index 20b40066e..520c35b04 100644
--- a/lib/src/main/kotlin/com/swmansion/starknet/crypto/NativeLoader.kt
+++ b/lib/src/main/kotlin/com/swmansion/starknet/crypto/NativeLoader.kt
@@ -55,7 +55,7 @@ internal object NativeLoader {
     }
 
     class UnsupportedPlatform(system: String, architecture: String) :
-        Exception("Unsupported platfrom $system:$architecture")
+        RuntimeException("Unsupported platfrom $system:$architecture")
 
     private fun getLibPath(system: SystemType, architecture: String, name: String): String {
         return when (system) {