diff --git a/src/document/css/property.h b/src/document/css/property.h
index 8861ae8b6..ea2d43a65 100644
--- a/src/document/css/property.h
+++ b/src/document/css/property.h
@@ -114,7 +114,7 @@ typedef int (*css_property_value_parser_T)(struct css_property_info *propinfo,
 /** The struct css_property_info describes what values the properties can
  * have and what internal type they have. */
 struct css_property_info {
-	char *name;
+	const char *name;
 	enum css_property_type type;
 
 	/** This is the storage type, basically describing what to save to