diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8ba85a0e2..b6e62d560 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,6 +31,7 @@ jobs:
       run: |
         git describe --tags
         make tmp/.version
+        echo $(javac -version)
         make dist/fury
         mv dist/fury.tar.gz dist/fury-$(head -n 1 tmp/.version).tar.gz
       timeout-minutes: 10
diff --git a/Makefile b/Makefile
index f4df0854b..6fa5cfc56 100644
--- a/Makefile
+++ b/Makefile
@@ -43,6 +43,7 @@ tmp/lib/fury.jar: $(wildcard src/**/*.scala) tmp/.version
 	 mkdir -p tmp/lib && \
 	 printf "$(MK) Done\n" && \
 	 printf "$(MK) Compiling Fury from source...\n" && \
+	 javac -version && \
 	 ./fury build save --https --project fury --module frontend --output linear --path tmp/lib --fat-jar --disable-security-manager && \
 	 mv tmp/lib/fury-frontend.jar "$@" && \
 	 jar uf "$@" -C tmp .version && \
diff --git a/src/ogdl/ogdl.scala b/src/ogdl/ogdl.scala
index e71a4ab17..2c44bad98 100644
--- a/src/ogdl/ogdl.scala
+++ b/src/ogdl/ogdl.scala
@@ -16,8 +16,7 @@
 */
 package fury.ogdl
 
-import java.nio.ByteBuffer
-import java.nio.channels.FileChannel
+import java.nio._, channels.FileChannel
 
 import fury.io._
 import fury.text._
@@ -153,7 +152,8 @@ object Ogdl {
       val buffer = ByteBuffer.allocate(size)
 
       inChannel.read(buffer)
-      buffer.flip()
+      val bufferObject: Any = buffer
+      bufferObject match { case buffer: Buffer => buffer.flip() }
 
       buffer
     } finally inChannel.close()