diff --git a/core/org.eclipse.cdt.core.native/src/org/eclipse/cdt/utils/pty/PTYOutputStream.java b/core/org.eclipse.cdt.core.native/src/org/eclipse/cdt/utils/pty/PTYOutputStream.java
index f5335c18375..c30f08de802 100644
--- a/core/org.eclipse.cdt.core.native/src/org/eclipse/cdt/utils/pty/PTYOutputStream.java
+++ b/core/org.eclipse.cdt.core.native/src/org/eclipse/cdt/utils/pty/PTYOutputStream.java
@@ -15,6 +15,7 @@ import java.io.IOException;
 import java.io.OutputStream;
 
 import org.eclipse.cdt.utils.pty.PTY.MasterFD;
+import org.eclipse.core.runtime.Platform;
 
 public class PTYOutputStream extends OutputStream {
 
@@ -84,13 +85,15 @@ public class PTYOutputStream extends OutputStream {
 	public void close() throws IOException {
 		if (master.getFD() == -1)
 			return;
-		if (sendEotBeforeClose) {
+		// For non-windows platforms, send EOT instead of closing
+		if (Platform.OS_WIN32.equals(Platform.getOS())) {
+			int status = close0(master.getFD());
+			if (status == -1)
+				throw new IOException("close error"); //$NON-NLS-1$
+			master.setFD(-1);
+		} else {
 			write(EOT);
 		}
-		int status = close0(master.getFD());
-		if (status == -1)
-			throw new IOException("close error"); //$NON-NLS-1$
-		master.setFD(-1);
 	}
 
 	@Override