diff --git a/libs/main/system/piprocess.cpp b/libs/main/system/piprocess.cpp
index a21b6930..adfcfac3 100644
--- a/libs/main/system/piprocess.cpp
+++ b/libs/main/system/piprocess.cpp
@@ -210,18 +210,15 @@ PRIVATE_DEFINITION_START(PIProcess)
 		size_t offset       = 0;
 		while (1) {
 #  ifdef WINDOWS
-			DWORD available = 0;
-			PeekNamedPipe(pipes[pipe_type][PipeRead], nullptr, 0, nullptr, &available, nullptr);
-			if (available == 0) {
-				read_buffer.resize(offset);
-				break;
+			PeekNamedPipe(pipes[pipe_type][PipeRead], nullptr, 0, nullptr, &bytes_read, nullptr);
+			if (bytes_read > 0) {
+				BOOL ok = ReadFile(pipes[pipe_type][PipeRead],
+							  read_buffer.data(offset),
+							  piMini(available, read_buffer.size() - offset),
+							  &bytes_read,
+							  nullptr);
+				if (!ok) bytes_read = 0;
 			}
-			BOOL ok = ReadFile(pipes[pipe_type][PipeRead],
-						  read_buffer.data(offset),
-						  piMini(available, read_buffer.size() - offset),
-						  &bytes_read,
-						  nullptr);
-			if (!ok) bytes_read = 0;
 #  else
 			bytes_read = ::read(pipes[pipe_type][PipeRead], read_buffer.data(offset), read_buffer.size() - offset);
 #  endif