diff --git a/app/src/main/java/com/termux/terminal/TerminalEmulator.java b/app/src/main/java/com/termux/terminal/TerminalEmulator.java
index 01a4c4dc..6889ae95 100644
--- a/app/src/main/java/com/termux/terminal/TerminalEmulator.java
+++ b/app/src/main/java/com/termux/terminal/TerminalEmulator.java
@@ -1444,7 +1444,7 @@ public final class TerminalEmulator {
 				final int linesToScrollArg = getArg0(1);
 				final int linesBetweenTopAndBottomMargins = mBottomMargin - mTopMargin;
 				final int linesToScroll = Math.min(linesBetweenTopAndBottomMargins, linesToScrollArg);
-				mScreen.blockCopy(0, mTopMargin, mColumns, linesBetweenTopAndBottomMargins - linesToScroll, 0, linesToScroll);
+				mScreen.blockCopy(0, mTopMargin, mColumns, linesBetweenTopAndBottomMargins - linesToScroll, 0, mTopMargin + linesToScroll);
 				blockClear(0, mTopMargin, mColumns, linesToScroll);
 			} else {
 				// "${CSI}${func};${startx};${starty};${firstrow};${lastrow}T" - initiate highlight mouse tracking.
diff --git a/app/src/test/java/com/termux/terminal/ScrollRegionTest.java b/app/src/test/java/com/termux/terminal/ScrollRegionTest.java
index ff431455..b7e258a5 100644
--- a/app/src/test/java/com/termux/terminal/ScrollRegionTest.java
+++ b/app/src/test/java/com/termux/terminal/ScrollRegionTest.java
@@ -94,4 +94,8 @@ public class ScrollRegionTest extends TerminalTestCase {
 		withTerminalSized(3, 3).enterString("\033[?69h\033[0;2sABCD\0339").assertLinesAre("B  ", "D  ", "   ");
 	}
 
+	public void testScrollDownWithScrollRegion() {
+		withTerminalSized(2, 5).enterString("1\r\n2\r\n3\r\n4\r\n5").assertLinesAre("1 ", "2 ", "3 ", "4 ", "5 ");
+		enterString("\033[3r").enterString("\033[2T").assertLinesAre("1 ", "2 ", "  ", "  ", "3 ");
+	}
 }