diff --git a/src/si_ref_point/inputs/si/prefixes.yaml b/src/si_ref_point/inputs/si/prefixes.yaml
index 676e163..dd266ee 100644
--- a/src/si_ref_point/inputs/si/prefixes.yaml
+++ b/src/si_ref_point/inputs/si/prefixes.yaml
@@ -145,7 +145,7 @@ data:
   prefLabel_fr: micro
   ScalingFactor: 1e-06
   Exponent: -6
-  hasSymbol: µ
+  hasSymbol: μ
   hasDefiningResolution: CGPM11-Res12
   xsd_type: decimal
   Comments: Tried with latex - fine without bold, but more difficult with.  Would
diff --git a/src/si_ref_point/inputs/si/quantities_other.yaml b/src/si_ref_point/inputs/si/quantities_other.yaml
index b3bfb46..9689b65 100644
--- a/src/si_ref_point/inputs/si/quantities_other.yaml
+++ b/src/si_ref_point/inputs/si/quantities_other.yaml
@@ -45,8 +45,8 @@ data:
   Unit:
     - [kelvin, "1"]
 - identifier: ITSC
-  quantity-en: 'ITS-90 temperature (℃)'
-  quantity-fr: 'température ITS-90 (℃)'
+  quantity-en: 'ITS-90 temperature (°C)'
+  quantity-fr: 'température ITS-90 (°C)'
   Unit:
     - [degreeCelsius, "1"]
 - identifier: PHAS
@@ -273,8 +273,8 @@ data:
     - [metre, "-1"] 
     - [metre, "-1"]    
 - identifier: SOPL
-  quantity-en: 'sound pressure level (referenced to 20 µPa)'
-  quantity-fr: 'niveau de pression acoustique (référence : 20 µPa)'
+  quantity-en: 'sound pressure level (referenced to 20 μPa)'
+  quantity-fr: 'niveau de pression acoustique (référence : 20 μPa)'
   Unit: 
     - [bel, "1"]
 - identifier: SYRL
@@ -288,8 +288,8 @@ data:
   Unit: 
     - [bel, "1"]
 - identifier: PSNW
-  quantity-en: 'pressure sensitivity level (referenced to 1 V/µPa)'
-  quantity-fr: 'niveau de sensibilité à la pression (référence : 1 V/µPa)'
+  quantity-en: 'pressure sensitivity level (referenced to 1 V/μPa)'
+  quantity-fr: 'niveau de sensibilité à la pression (référence : 1 V/μPa)'
   Unit: 
       - [bel, "1"]    
 - identifier: SOIN
@@ -345,4 +345,4 @@ data:
 - identifier: FSLT
   quantity-en: 'flicker severity index (long term)'
   quantity-fr: 'indicateur de flicker à long terme'
-  Unit: null     
\ No newline at end of file
+  Unit: null     
diff --git a/src/si_ref_point/inputs/si/si_units_special_names.yaml b/src/si_ref_point/inputs/si/si_units_special_names.yaml
index 0d74511..0535d94 100644
--- a/src/si_ref_point/inputs/si/si_units_special_names.yaml
+++ b/src/si_ref_point/inputs/si/si_units_special_names.yaml
@@ -27,7 +27,7 @@ data:
 - URI: degreeCelsius
   prefLabel_fr: degré Celsius
   prefLabel_en: degree Celsius
-  Symbol: ℃
+  Symbol: °C
   hasDefiningResolution: CGPM9-Res7
   UnitOfQtyKind: TEMC
   inBaseSIUnits: kelvin
diff --git a/src/si_ref_point/inputs/si/symbols.yaml b/src/si_ref_point/inputs/si/symbols.yaml
index 0a2e987..ce96da7 100644
--- a/src/si_ref_point/inputs/si/symbols.yaml
+++ b/src/si_ref_point/inputs/si/symbols.yaml
@@ -229,7 +229,7 @@ ceus:
   name_en: Celsius unit symbol
   name_fr: ''
   type: symbol
-  latex: '\rm{@circ@{C}}'
+  latex: '{^\circ\rm{C}}'
   text:
   html: ''
   json: ''