diff --git a/sys/winnt/nh340key.c b/sys/winnt/nh340key.c
index fd078269d..56e94ba03 100644
--- a/sys/winnt/nh340key.c
+++ b/sys/winnt/nh340key.c
@@ -196,7 +196,11 @@ INPUT_RECORD *ir;
 			if (ch || iskeypad(scan) || altseq) {
 				done = 1;	    /* Stop looking         */
 				retval = 1;         /* Found what we sought */
+			} else {
+				/* Strange Key event; let's purge it to avoid trouble */
+				ReadConsoleInput(hConIn,ir,1,&count);
 			}
+
 		}
 		else if ((ir->EventType == MOUSE_EVENT &&
 		  (ir->Event.MouseEvent.dwButtonState & MOUSEMASK))) {
diff --git a/sys/winnt/nhdefkey.c b/sys/winnt/nhdefkey.c
index ec2e3905b..9402471d4 100644
--- a/sys/winnt/nhdefkey.c
+++ b/sys/winnt/nhdefkey.c
@@ -230,7 +230,11 @@ INPUT_RECORD *ir;
 			if (ch || iskeypad(scan) || altseq) {
 				done = 1;	    /* Stop looking         */
 				retval = 1;         /* Found what we sought */
+			} else {
+				/* Strange Key event; let's purge it to avoid trouble */
+				ReadConsoleInput(hConIn,ir,1,&count);
 			}
+
 		}
 		else if ((ir->EventType == MOUSE_EVENT &&
 		  (ir->Event.MouseEvent.dwButtonState & MOUSEMASK))) {
diff --git a/sys/winnt/nhraykey.c b/sys/winnt/nhraykey.c
index e057d8d85..66e744285 100644
--- a/sys/winnt/nhraykey.c
+++ b/sys/winnt/nhraykey.c
@@ -551,7 +551,11 @@ INPUT_RECORD *ir;
 			if (ch || iskeypad(scan) || altseq) {
 				done = 1;	    /* Stop looking         */
 				retval = 1;         /* Found what we sought */
+			} else {
+				/* Strange Key event; let's purge it to avoid trouble */
+				ReadConsoleInput(hConIn,ir,1,&count);
 			}
+
 		}
 		else if ((ir->EventType == MOUSE_EVENT &&
 		  (ir->Event.MouseEvent.dwButtonState & MOUSEMASK))) {