diff --git a/libxslt/transform.c b/libxslt/transform.c
index a32efe0d6327b9dbfa5f689ea381294699f1f775_bGlieHNsdC90cmFuc2Zvcm0uYw==..ce6e78807f2118d9ae39b3a62b4a53547e834dfe_bGlieHNsdC90cmFuc2Zvcm0uYw== 100644
--- a/libxslt/transform.c
+++ b/libxslt/transform.c
@@ -492,7 +492,7 @@
  *
  * Returns the current default debug tracing level mask
  */
-xsltDebugTraceCodes xsltDebugGetDefaultTrace() {
+xsltDebugTraceCodes xsltDebugGetDefaultTrace(void) {
 	return xsltDefaultTrace;
 }