diff --git a/scripts/snap-wrapper.sh b/scripts/snap-wrapper.sh
index 0ca2d83..b1f1e3b 100755
--- a/scripts/snap-wrapper.sh
+++ b/scripts/snap-wrapper.sh
@@ -35,6 +35,11 @@ export LD_LIBRARY_PATH="$SNAP_LIBRARY_PATH:$LD_LIBRARY_PATH"
 # Ref.: https://bugs.launchpad.net/snappy/+bug/1588192
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/var/lib/snapd/lib/gl
 
+# With recent builds on Ubuntu 16.04 the snap does not find the path to
+# libpulsecommon-8.0.so anymore so we have to teach the linker manually
+# where it can be found
+export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SNAP/usr/lib/$ARCH/pulseaudio
+
 # We set XDG_DATA_HOME to SNAP_USER_COMMON here as this will be the location we will
 # create all our application launchers in. The system application launcher will
 # be configured by our installer to look into this directory for available
diff --git a/src/anbox/qemu/qemud_message_processor.cpp b/src/anbox/qemu/qemud_message_processor.cpp
index d9ee009..b47f078 100644
--- a/src/anbox/qemu/qemud_message_processor.cpp
+++ b/src/anbox/qemu/qemud_message_processor.cpp
@@ -70,7 +70,7 @@ void QemudMessageProcessor::process_commands() {
 
 void QemudMessageProcessor::send_header(const size_t &size) {
   char header[header_size + 1];
-  std::snprintf(header, header_size + 1, "%04lx", size);
+  std::snprintf(header, header_size + 1, "%04zx", size);
   messenger_->send(header, header_size);
 }