diff --git a/ChangeLog b/ChangeLog
index e9e04d70..89bc8813 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Apr 29 17:22:08 CEST 2002 Daniel Veillard <daniel@veillard.com>
+
+	* libxslt/variables.c: better attempt to fix the problem in
+	  xsltProcessUserParamInternal reported by Babak Vahedipour-Kunze
+
 Sun Apr 28 17:53:23 CEST 2002 Igor Zlatkovic <igor@stud.fh-frankfurt.de>
 
 	* win32/dsp/*.dsp: Removed obsolete macros
diff --git a/libxslt/variables.c b/libxslt/variables.c
index 23c1919f..181590fa 100644
--- a/libxslt/variables.c
+++ b/libxslt/variables.c
@@ -778,6 +778,9 @@ xsltProcessUserParamInternal(xsltTransformContextPtr ctxt,
 	ncname = xmlStrdup(name);
     }
 
+    if (ncname == NULL)
+	return (-1);
+
     /*
      * Do the evaluation if @eval is non-zero.
      */