diff --git a/format-master.xml b/format-master.xml
index 96989ec..1f6ba8c 100755
--- a/format-master.xml
+++ b/format-master.xml
@@ -241,6 +241,10 @@
 		<latex>\ensuremath{\rho}</latex>
 		<html><xsl:text disable-output-escaping="yes">&amp;#961;</xsl:text></html>
 	</template>
+	<template name="capital-phi" match="Phi">
+		<latex>\ensuremath{\Phi}</latex>
+		<html><xsl:text disable-output-escaping="yes">&amp;Phi;</xsl:text></html>
+	</template>
 
 	<template name="element-sign" match="element-sign|element|element-of|is-element-of|is-an-element-of">
 		<latex>\ensuremath{\in}</latex>
