diff --git a/lib/matplotlib/_mathtext_data.py b/lib/matplotlib/_mathtext_data.py
index 7f6c4e84f735..dfcfbc4e2f3d 100644
--- a/lib/matplotlib/_mathtext_data.py
+++ b/lib/matplotlib/_mathtext_data.py
@@ -2477,7 +2477,7 @@
(0x0049, 0x0049, 'it', 0x2110), # I
(0x004a, 0x004b, 'it', 0x1d4a5), # J-K
(0x004c, 0x004c, 'it', 0x2112), # L
- (0x004d, 0x003d, 'it', 0x2113), # M
+ (0x004d, 0x003d, 'it', 0x2133), # M
(0x004e, 0x0051, 'it', 0x1d4a9), # N-Q
(0x0052, 0x0052, 'it', 0x211b), # R
(0x0053, 0x005a, 'it', 0x1d4ae), # S-Z
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font.pdf
index eb281a975da8..377eaa706710 100644
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diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font.png b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font.png
index cd7fd7ba5093..36953524f0b6 100644
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diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font.svg b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font.svg
index 93e04ce5c5e8..75fcfcf28ba5 100644
--- a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font.svg
+++ b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font.svg
@@ -2529,7 +2529,7 @@ L0.000000 0.000000z"/>
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diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stix.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stix.pdf
index a5128ac88733..1949141bd856 100644
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diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stix.png b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stix.png
index 0b94a85b8a3b..bb6cf4c893ad 100644
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diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stix.svg b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stix.svg
index f544d68cb295..ddeb3a0e9fda 100644
--- a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stix.svg
+++ b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stix.svg
@@ -2610,6 +2610,7 @@ L0.000000 0.000000z"/>
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diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.pdf
index d81983806ec3..f071b2dbc0b1 100644
Binary files a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.pdf and b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.pdf differ
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.png b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.png
index d7b5f32c1ba5..31f11f9df0a1 100644
Binary files a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.png and b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.png differ
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.svg b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.svg
index 9dc4f52e2c0f..c1d48bd2d93a 100644
--- a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.svg
+++ b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_font_stixsans.svg
@@ -2610,6 +2610,7 @@ L0.000000 0.000000z"/>
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