diff --git a/source/vibe/core/task.d b/source/vibe/core/task.d
index 6dafb7c..437d50c 100644
--- a/source/vibe/core/task.d
+++ b/source/vibe/core/task.d
@@ -416,13 +416,13 @@ final package class TaskFiber : Fiber {
 			logDiagnostic("Full error: %s", th.toString().sanitize());
 		} catch (Throwable th) {
 			import std.stdio : stderr, writeln;
-			import core.stdc.stdlib : exit;
+			import core.stdc.stdlib : abort;
 			try stderr.writeln(th);
 			catch (Exception e) {
 				try stderr.writeln(th.msg);
 				catch (Exception e) {}
 			}
-			exit(1);
+			abort();
 		}
 	}
 
diff --git a/source/vibe/core/taskpool.d b/source/vibe/core/taskpool.d
index ccd6832..9d1cd86 100644
--- a/source/vibe/core/taskpool.d
+++ b/source/vibe/core/taskpool.d
@@ -237,7 +237,7 @@ private class WorkerThread : Thread {
 
 	private void main()
 	nothrow {
-		import core.stdc.stdlib : exit;
+		import core.stdc.stdlib : abort;
 		import core.exception : InvalidMemoryOperationError;
 		import std.encoding : sanitize;
 
@@ -249,19 +249,13 @@ private class WorkerThread : Thread {
 			if (!m_pool.m_state.lock.term) runEventLoop();
 			logDebug("Worker thread exit.");
 		} catch (Exception e) {
-			scope (failure) exit(-1);
+			scope (failure) abort();
 			logFatal("Worker thread terminated due to uncaught exception: %s", e.msg);
 			logDebug("Full error: %s", e.toString().sanitize());
-		} catch (InvalidMemoryOperationError e) {
-			import std.stdio;
-			scope(failure) assert(false);
-			writeln("Error message: ", e.msg);
-			writeln("Full error: ", e.toString().sanitize());
-			exit(-1);
 		} catch (Throwable th) {
 			logFatal("Worker thread terminated due to uncaught error: %s", th.msg);
 			logDebug("Full error: %s", th.toString().sanitize());
-			exit(-1);
+			abort();
 		}
 	}