diff --git a/include/sta/Report.hh b/include/sta/Report.hh
index d302aee9..10d546ce 100644
--- a/include/sta/Report.hh
+++ b/include/sta/Report.hh
@@ -125,7 +125,7 @@ protected:
   // Primitive to print output on the console.
   // Return the number of characters written.
   virtual size_t printConsole(const char *buffer,
-                              size_t length) = 0;
+                              size_t length);
   void printToBuffer(const char *fmt,
                      ...)
     __attribute__((format (printf, 2, 3)));
diff --git a/util/Debug.cc b/util/Debug.cc
index 0bd81ead..daf47bba 100644
--- a/util/Debug.cc
+++ b/util/Debug.cc
@@ -109,7 +109,7 @@ Debug::reportLine(const char *what,
 {
   va_list args;
   va_start(args, fmt);
-  report_->printToBuffer(what);
+  report_->printToBuffer("%s", what);
   report_->printToBufferAppend(": ");
   report_->printToBufferAppend(fmt, args);
   report_->printBufferLine();
diff --git a/util/Report.cc b/util/Report.cc
index cde8b023..f8203e4c 100644
--- a/util/Report.cc
+++ b/util/Report.cc
@@ -44,6 +44,14 @@ Report::~Report()
   delete [] buffer_;
 }
 
+size_t
+Report::printConsole(const char *buffer,
+                     size_t length)
+{
+  printf("%s", buffer);
+  return length;
+}
+
 void
 Report::printLine(const char *line,
                   size_t length)
@@ -276,7 +284,7 @@ Report::fileCritical(int /* id */,
 {
   va_list args;
   va_start(args, fmt);
-  printToBuffer("Critical: %s line %d, ", filename, line, fmt, args);
+  printToBuffer("Critical: %s line %d, ", filename, line);
   printToBufferAppend(fmt, args);
   printBufferLine();
   va_end(args);