diff --git a/lib/LaTeXML/Engine/plain.pool.ltxml b/lib/LaTeXML/Engine/plain.pool.ltxml
index 20b9b94d2..27721d353 100644
--- a/lib/LaTeXML/Engine/plain.pool.ltxml
+++ b/lib/LaTeXML/Engine/plain.pool.ltxml
@@ -971,8 +971,8 @@ DefMathI('\wr',       undef, "\x{2240}", role => 'MULOP');
 DefMathI('\diamond',         undef, "\x{22C4}", role => 'ADDOP');
 DefMathI('\bigtriangleup',   undef, "\x{25B3}", role => 'ADDOP');
 DefMathI('\bigtriangledown', undef, "\x{25BD}", role => 'ADDOP');
-DefMathI('\triangleleft',    undef, "\x{25C1}", role => 'ADDOP');
-DefMathI('\triangleright',   undef, "\x{25B7}", role => 'ADDOP');
+DefMathI('\triangleleft',    undef, "\x{22B2}", role => 'ADDOP');
+DefMathI('\triangleright',   undef, "\x{22B3}", role => 'ADDOP');
 DefMathI('\lhd',   undef, "\x{22B2}", role => 'ADDOP', meaning => 'subgroup-of');
 DefMathI('\rhd',   undef, "\x{22B3}", role => 'ADDOP', meaning => 'contains-as-subgroup');
 DefMathI('\unlhd', undef, "\x{22B4}", role => 'ADDOP', meaning => 'subgroup-of-or-equals');
diff --git a/t/alignment/algx.xml b/t/alignment/algx.xml
index 206dfa9ab..a5e6ef99f 100644
--- a/t/alignment/algx.xml
+++ b/t/alignment/algx.xml
@@ -68,7 +68,7 @@
           </XMath>
         </Math>)<text cssstyle="float:right"><Math mode="inline" tex="\triangleright" text="triangleright" xml:id="alg1.l1.m2">
             <XMath>
-              <XMTok name="triangleright" role="ADDOP">▷</XMTok>
+              <XMTok name="triangleright" role="ADDOP">⊳</XMTok>
             </XMath>
           </Math> The g.c.d. of a and b
 </text></listingline>
@@ -102,7 +102,7 @@
           </XMath>
         </Math> <text font="bold">do<text cssstyle="float:right" font="medium"><Math mode="inline" tex="\triangleright" text="triangleright" xml:id="alg1.l3.m2">
               <XMath>
-                <XMTok name="triangleright" role="ADDOP">▷</XMTok>
+                <XMTok name="triangleright" role="ADDOP">⊳</XMTok>
               </XMath>
             </Math> We have the answer if r is 0
 </text></text></listingline>
@@ -163,7 +163,7 @@
           </XMath>
         </Math><text cssstyle="float:right"><Math mode="inline" tex="\triangleright" text="triangleright" xml:id="alg1.l8.m2">
             <XMath>
-              <XMTok name="triangleright" role="ADDOP">▷</XMTok>
+              <XMTok name="triangleright" role="ADDOP">⊳</XMTok>
             </XMath>
           </Math> The gcd is b
 </text></listingline>
diff --git a/t/fonts/abxtest.xml b/t/fonts/abxtest.xml
index 0b685145e..f91b019a5 100644
--- a/t/fonts/abxtest.xml
+++ b/t/fonts/abxtest.xml
@@ -2151,7 +2151,7 @@
           <tr>
             <td align="left" thead="row"><Math mode="inline" tex="\triangleleft" text="triangleleft" xml:id="S0.SS0.SSS0.Px15.p2.m1">
                 <XMath>
-                  <XMTok name="triangleleft" role="ADDOP">◁</XMTok>
+                  <XMTok name="triangleleft" role="ADDOP">⊲</XMTok>
                 </XMath>
               </Math></td>
             <td align="left"><text font="typewriter">\triangleleft</text></td>
@@ -2167,7 +2167,7 @@
           <tr>
             <td align="left" thead="row"><Math mode="inline" tex="\triangleright" text="triangleright" xml:id="S0.SS0.SSS0.Px15.p2.m3">
                 <XMath>
-                  <XMTok name="triangleright" role="ADDOP">▷</XMTok>
+                  <XMTok name="triangleright" role="ADDOP">⊳</XMTok>
                 </XMath>
               </Math></td>
             <td align="left"><text font="typewriter">\triangleright</text></td>
diff --git a/t/fonts/acc.xml b/t/fonts/acc.xml
index 3c1e14d4b..1c39c1fe9 100644
--- a/t/fonts/acc.xml
+++ b/t/fonts/acc.xml
@@ -97,7 +97,7 @@
               </XMApp>
               <XMTok role="PUNCT" rpadding="20.0pt">,</XMTok>
               <XMApp xml:id="S0.Ex3.m1.3">
-                <XMTok fontsize="70%" name="triangleright" role="UNDERACCENT">▷</XMTok>
+                <XMTok fontsize="70%" name="triangleright" role="UNDERACCENT">⊳</XMTok>
                 <XMTok font="italic" role="UNKNOWN">q</XMTok>
               </XMApp>
               <XMTok role="PUNCT" rpadding="20.0pt">,</XMTok>