diff --git a/client/src/main/java/GlRenderer.java b/client/src/main/java/GlRenderer.java
index b26060f..cf43091 100644
--- a/client/src/main/java/GlRenderer.java
+++ b/client/src/main/java/GlRenderer.java
@@ -361,7 +361,7 @@ public final class GlRenderer {
 		}
 		gl.glMatrixMode(GL2.GL_PROJECTION);
 		gl.glLoadIdentity();
-		gl.glOrtho(0.0D, (double) canvasWidth, 0.0D, (double) canvasHeight, -1.0D, 1.0D);
+		gl.glOrtho(0, canvasWidth, 0, canvasHeight, -1.0D, 1.0D);
 		setViewportBounds(0, 0, canvasWidth, canvasHeight);
 		gl.glMatrixMode(GL2.GL_MODELVIEW);
 		gl.glLoadIdentity();
@@ -755,8 +755,8 @@ public final class GlRenderer {
 
 	@OriginalMember(owner = "client!gi", name = "b", descriptor = "()V")
 	private static void resizeViewport() {
-		gl.glViewport((int) (leftMargin * GameShell.canvasScale + 0.5d), (int) (topMargin * GameShell.canvasScale + 0.5d),
-			(int) (viewportWidth * GameShell.canvasScale + 0.5d), (int) (viewportHeight * GameShell.canvasScale + 0.5d));
+		gl.glViewport((int) (leftMargin * GameShell.canvasScale), (int) (topMargin * GameShell.canvasScale - 0.5d),
+			(int) (viewportWidth * GameShell.canvasScale), (int) (viewportHeight * GameShell.canvasScale - 0.5d));
 	}
 
 	@OriginalMember(owner = "client!tf", name = "a", descriptor = "(IIIIII)V")
diff --git a/client/src/main/java/Static46.java b/client/src/main/java/Static46.java
index b247995..2804f48 100644
--- a/client/src/main/java/Static46.java
+++ b/client/src/main/java/Static46.java
@@ -197,7 +197,7 @@ public final class Static46 {
 		@Pc(21) GL2 gl = GlRenderer.gl;
 		gl.glEnable(GL2.GL_SCISSOR_TEST);
 		if (clipX <= anInt1440 && clipY <= anInt1441) {
-			gl.glScissor((int)(clipX * GameShell.canvasScale + 0.5d), (int)((GlRenderer.canvasHeight - anInt1441) * GameShell.canvasScale + 0.5d), (int)((anInt1440 - clipX) * GameShell.canvasScale + 0.5d), (int)((anInt1441 - clipY) * GameShell.canvasScale + 0.5d));
+			gl.glScissor((int)(clipX * GameShell.canvasScale), (int)((GlRenderer.canvasHeight - anInt1441) * GameShell.canvasScale - 0.5d), (int)((anInt1440 - clipX) * GameShell.canvasScale), (int)((anInt1441 - clipY) * GameShell.canvasScale - 0.5d));
 		} else {
 			gl.glScissor(0, 0, 0, 0);
 		}
@@ -262,7 +262,7 @@ public final class Static46 {
 		@Pc(27) GL2 local27 = GlRenderer.gl;
 		local27.glEnable(GL2.GL_SCISSOR_TEST);
 		if (clipX <= anInt1440 && clipY <= anInt1441) {
-			local27.glScissor((int)(clipX * GameShell.canvasScale + 0.5d), (int)((GlRenderer.canvasHeight - anInt1441) * GameShell.canvasScale + 0.5d), (int)((anInt1440 - clipX) * GameShell.canvasScale + 0.5d), (int)((anInt1441 - clipY) * GameShell.canvasScale + 0.5d));
+			local27.glScissor((int)(clipX * GameShell.canvasScale), (int)((GlRenderer.canvasHeight - anInt1441) * GameShell.canvasScale - 0.5d), (int)((anInt1440 - clipX) * GameShell.canvasScale), (int)((anInt1441 - clipY) * GameShell.canvasScale - 0.5d));
 		} else {
 			local27.glScissor(0, 0, 0, 0);
 		}