--- a/Ghidra/Features/Base/src/main/java/ghidra/app/util/cparser/C/CParserUtils.java
+++ b/Ghidra/Features/Base/src/main/java/ghidra/app/util/cparser/C/CParserUtils.java
@@ -642,3 +642,3 @@
 	private static int getTokenMgrErrorIndexOfInvalidText(String message, String functionString) {
-		String invalidCharMarker = "after : ";
+		String invalidCharMarker = "after prefix ";
 		int index = message.indexOf(invalidCharMarker);