diff --git a/src/apps/diskprobe/FindWindow.cpp b/src/apps/diskprobe/FindWindow.cpp
index e99845e2f3..dfce5095d9 100644
--- a/src/apps/diskprobe/FindWindow.cpp
+++ b/src/apps/diskprobe/FindWindow.cpp
@@ -184,9 +184,10 @@ FindTextView::KeyDown(const char *bytes, int32 numBytes)
 				GetSelection(&start, &end);
 
 				if (bytes[0] == B_BACKSPACE) {
-					start--;
-					if (start < 0)
+					if (--start < 0 && end == 0)
 						return;
+
+					start = 0;
 				}
 
 				if (Text()[start] == ' ')