diff --git a/dsp/tty/ttyraster.c b/dsp/tty/ttyraster.c
index 0e2f636dd..74bde42cf 100644
--- a/dsp/tty/ttyraster.c
+++ b/dsp/tty/ttyraster.c
@@ -775,7 +775,7 @@ char *ttyraster(char *v, const struct TtyRgb *c, size_t yn, size_t xn,
   struct Glyph glyph;
   struct TtyRgb chun[4], lastchunk[4];
   for (y = 0; y < yn; y += 2, c += xn) {
-    if (y) *v++ = '\r', *v++ = '\n';
+    if (y) v = stpcpy(v, "\e[0m\r\n");
     for (x = 0; x < xn; x += 2, c += 2) {
       CopyChunk(chun, c, xn);
       if (ttyquant()->alg == kTtyQuantTrue) {
@@ -795,6 +795,6 @@ char *ttyraster(char *v, const struct TtyRgb *c, size_t yn, size_t xn,
       memcpy(lastchunk, chun, sizeof(chun));
     }
   }
-  *v = '\0';
+  v = stpcpy(v, "\e[0m");
   return v;
 }
diff --git a/test/dsp/tty/ttyraster_test.c b/test/dsp/tty/ttyraster_test.c
index 29d61a5af..28a2aa37c 100644
--- a/test/dsp/tty/ttyraster_test.c
+++ b/test/dsp/tty/ttyraster_test.c
@@ -43,7 +43,7 @@ void ttyraster2x2_true(void) {
 TEST(ttyraster, testCorner) {
   ttyraster_true_setup();
   ttyraster2x2_true();
-  EXPECT_STREQ("\e[48;2;139;0;0;38;2;3;3;3m▝", vtbuf);
+  EXPECT_STREQ("\e[48;2;139;0;0;38;2;3;3;3m▝\e[0m", vtbuf);
 }
 
 TEST(ttyraster, testFullBlock_favorsSpace) {
@@ -54,7 +54,7 @@ TEST(ttyraster, testFullBlock_favorsSpace) {
                 {DARKRED, DARKRED},
             },
             2, 2, kBlack, kBlack);
-  EXPECT_STREQ("\e[48;2;139;0;0m ", vtbuf);
+  EXPECT_STREQ("\e[48;2;139;0;0m \e[0m", vtbuf);
 }
 
 TEST(ttyraster, testFullBlock_favorsUnicodeWhenCurrenttFgMatchesButNotBg) {
@@ -65,7 +65,7 @@ TEST(ttyraster, testFullBlock_favorsUnicodeWhenCurrenttFgMatchesButNotBg) {
                 {DARKRED, DARKRED, GRAY1, GRAY1},
             },
             2, 4, kBlack, kBlack);
-  EXPECT_STREQ("\e[48;2;139;0;0;38;2;3;3;3m▝█", vtbuf);
+  EXPECT_STREQ("\e[48;2;139;0;0;38;2;3;3;3m▝█\e[0m", vtbuf);
 }
 
 TEST(ttyraster, testFullBlock_forcesSwitchBackToSpaceForRuns) {
@@ -76,7 +76,7 @@ TEST(ttyraster, testFullBlock_forcesSwitchBackToSpaceForRuns) {
                 {DARKRED, DARKRED, GRAY1, GRAY1, GRAY1, GRAY1, GRAY1, GRAY1},
             },
             2, 8, kBlack, kBlack);
-  EXPECT_STREQ("\e[48;2;139;0;0;38;2;3;3;3m▝█\e[48;2;3;3;3m  ", vtbuf);
+  EXPECT_STREQ("\e[48;2;139;0;0;38;2;3;3;3m▝█\e[48;2;3;3;3m  \e[0m", vtbuf);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -89,7 +89,7 @@ TEST(ttyraster_cp437, testSide) {
                 {DARKRED, GRAY1},
             },
             2, 2, kBlack, kBlack);
-  EXPECT_STREQ("\e[48;2;3;3;3;38;2;139;0;0m▌", vtbuf);
+  EXPECT_STREQ("\e[48;2;3;3;3;38;2;139;0;0m▌\e[0m", vtbuf);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -110,7 +110,7 @@ void ttyraster2x2_xterm256(void) {
 TEST(ttyraster_xterm256, testCorner) {
   ttyraster_xterm256_setup();
   ttyraster2x2_xterm256();
-  EXPECT_STREQ("\e[48;5;16;38;5;231m▝", vtbuf);
+  EXPECT_STREQ("\e[48;5;16;38;5;231m▝\e[0m", vtbuf);
 }
 
 void ttyraster6x2_xterm256(void) {
@@ -125,7 +125,7 @@ void ttyraster6x2_xterm256(void) {
 TEST(ttyraster_xterm256, testCornerRepeat3) {
   ttyraster_xterm256_setup();
   ttyraster6x2_xterm256();
-  EXPECT_STREQ("\e[48;5;16;38;5;231m▝▝▝", vtbuf);
+  EXPECT_STREQ("\e[48;5;16;38;5;231m▝▝▝\e[0m", vtbuf);
 }
 
 ////////////////////////////////////////////////////////////////////////////////