diff --git a/dub.sdl b/dub.sdl
index d9e1204..cd4accc 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -4,7 +4,7 @@ authors "Sönke Ludwig"
 copyright "Copyright © 2016, rejectedsoftware e.K."
 license "MIT"
 
-dependency "eventcore" version="~>0.7.0"
+dependency "eventcore" version="~>0.8.0"
 
 targetName "vibe_core"
 
diff --git a/source/vibe/core/file.d b/source/vibe/core/file.d
index cddcd52..929df12 100644
--- a/source/vibe/core/file.d
+++ b/source/vibe/core/file.d
@@ -414,7 +414,7 @@ struct FileStream {
 			eventDriver.files.releaseRef(m_fd);
 	}
 
-	@property int fd() { return m_fd; }
+	@property int fd() { return cast(int)m_fd; }
 
 	/// The path of the file.
 	@property Path path() const { return ctx.path; }
@@ -497,7 +497,7 @@ logDebug("Written %s", res[2]);
 		write(cast(const(ubyte)[])bytes);
 	}
 
-	void write(InputStream)(InputStream stream, ulong nbytes = 0)
+	void write(InputStream)(InputStream stream, ulong nbytes = ulong.max)
 		if (isInputStream!InputStream)
 	{
 		writeDefault(this, stream, nbytes);
@@ -519,7 +519,7 @@ logDebug("Written %s", res[2]);
 mixin validateRandomAccessStream!FileStream;
 
 
-private void writeDefault(OutputStream, InputStream)(ref OutputStream dst, InputStream stream, ulong nbytes = 0)
+private void writeDefault(OutputStream, InputStream)(ref OutputStream dst, InputStream stream, ulong nbytes = ulong.max)
 	if (isOutputStream!OutputStream && isInputStream!InputStream)
 {
 	import vibe.internal.allocator : theAllocator, make, dispose;
@@ -531,7 +531,7 @@ private void writeDefault(OutputStream, InputStream)(ref OutputStream dst, Input
 	auto buffer = bufferobj.bytes[];
 
 	//logTrace("default write %d bytes, empty=%s", nbytes, stream.empty);
-	if (nbytes == 0) {
+	if (nbytes == ulong.max) {
 		while (!stream.empty) {
 			size_t chunk = min(stream.leastSize, buffer.length);
 			assert(chunk > 0, "leastSize returned zero for non-empty stream.");
diff --git a/source/vibe/core/sync.d b/source/vibe/core/sync.d
index 411bd07..aaec4f1 100644
--- a/source/vibe/core/sync.d
+++ b/source/vibe/core/sync.d
@@ -840,7 +840,7 @@ struct ManualEvent {
 				if (w.m_driver is drv) lw = w;
 				else {
 					try {
-						() @trusted { return cast(shared)w.m_driver; } ().events.trigger(w.m_event);
+						() @trusted { return cast(shared)w.m_driver; } ().events.trigger(w.m_event, true);
 					} catch (Exception e) assert(false, e.msg);
 				}
 				return true;