diff --git a/introspection/mm-modem-gsm.xml b/introspection/mm-modem-gsm.xml
index 258ddaca..ea23adcf 100644
--- a/introspection/mm-modem-gsm.xml
+++ b/introspection/mm-modem-gsm.xml
@@ -97,7 +97,7 @@
       <tp:flag suffix="U17IX" value="0x800">
         <tp:docstring>WCDMA 3GPP UMTS 1700 MHz (Class IX)</tp:docstring>
       </tp:flag>
-      <tp:flag suffix="U17IX" value="0x1000">
+      <tp:flag suffix="U1900" value="0x1000">
         <tp:docstring>WCDMA 3GPP UMTS 1900 MHz (Class II)</tp:docstring>
       </tp:flag>
     </tp:flags>