diff --git a/build.gradle.kts b/build.gradle.kts
index 8844b7b..540d3d1 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -121,7 +121,7 @@ allprojects {
                 repositories {
                     maven {
                         name = "bintray"
-                        setUrl("https://api.bintray.com/maven/acinq/$btRepo/${project.name}/;publish=0")
+                        setUrl("https://api.bintray.com/maven/acinq/$btRepo/${rootProject.name}/;publish=0")
                         credentials {
                             username = bintrayUsername
                             password = bintrayApiKey
diff --git a/src/commonMain/kotlin/fr/acinq/secp256k1/Secp256k1.kt b/src/commonMain/kotlin/fr/acinq/secp256k1/Secp256k1.kt
index 0a312c2..19df290 100644
--- a/src/commonMain/kotlin/fr/acinq/secp256k1/Secp256k1.kt
+++ b/src/commonMain/kotlin/fr/acinq/secp256k1/Secp256k1.kt
@@ -60,7 +60,7 @@ public interface Secp256k1 {
                 pub1[0] = if (pubkey.last() % 2 == 0) 2.toByte() else 3.toByte()
                 pub1
             }
-            else -> throw RuntimeException("invalid public key")
+            else -> throw Secp256k1Exception("invalid public key")
         }
     }