diff --git a/build.gradle b/build.gradle
index 0296364..ca4b400 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ plugins {
 
 /* PUBLISHING */
 group = 'ee.lib.kotlin'
-version = "0.1.2"
+version = "0.1.3"
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
diff --git a/src/main/kotlin/kossh/impl/SSHCoExec.kt b/src/main/kotlin/kossh/impl/SSHCoExec.kt
index 028f481..5911ba2 100644
--- a/src/main/kotlin/kossh/impl/SSHCoExec.kt
+++ b/src/main/kotlin/kossh/impl/SSHCoExec.kt
@@ -9,6 +9,7 @@ import java.nio.charset.Charset
 import kossh.util.*
 import kotlinx.coroutines.*
 import java.io.Closeable
+import java.nio.Buffer
 
 class SSHCoExec(cmd: String,
                 out: suspend ExecResult.()->Unit,
@@ -81,7 +82,7 @@ class SSHCoExec(cmd: String,
                 if (howmany == -1) eofreached = true
                 if (howmany > 0) {
                     buffer.put(bytes, 0, howmany)
-                    buffer.flip()
+                    (buffer as Buffer).flip()
                     val cbOut = charset.decode(buffer)
                     buffer.compact()
                     appender.append(cbOut.toString())
diff --git a/src/main/kotlin/kossh/impl/SSHExec.kt b/src/main/kotlin/kossh/impl/SSHExec.kt
index 6a64aa9..833c1f2 100644
--- a/src/main/kotlin/kossh/impl/SSHExec.kt
+++ b/src/main/kotlin/kossh/impl/SSHExec.kt
@@ -8,6 +8,7 @@ import java.nio.ByteBuffer
 import java.nio.charset.Charset
 import kossh.util.*
 import java.io.Closeable
+import java.nio.Buffer
 
 class SSHExec(cmd: String, out: ExecResult.()->Unit, err: ExecResult.()->Unit, val ssh: SSH): Closeable {
     private val channel: ChannelExec = ssh.jschsession().openChannel("exec") as ChannelExec
@@ -109,7 +110,7 @@ private class InputStreamThread(val channel: ChannelExec, val input: InputStream
                 if (howmany == -1) eofreached = true
                 if (howmany > 0) {
                     buffer.put(bytes, 0, howmany)
-                    buffer.flip()
+                    (buffer as Buffer).flip()
                     val cbOut = charset.decode(buffer)
                     buffer.compact()
                     appender.append(cbOut.toString())