diff --git a/modules/juce_core/streams/juce_OutputStream.cpp b/modules/juce_core/streams/juce_OutputStream.cpp
index b1a3fb130d..add9a284a1 100644
--- a/modules/juce_core/streams/juce_OutputStream.cpp
+++ b/modules/juce_core/streams/juce_OutputStream.cpp
@@ -270,6 +270,11 @@ OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, const int number)
     return stream << String (number);
 }
 
+OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, const int64 number)
+{
+    return stream << String (number);
+}
+
 OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, const double number)
 {
     return stream << String (number);
diff --git a/modules/juce_core/streams/juce_OutputStream.h b/modules/juce_core/streams/juce_OutputStream.h
index 36f2dcbe0f..7ecc88f776 100644
--- a/modules/juce_core/streams/juce_OutputStream.h
+++ b/modules/juce_core/streams/juce_OutputStream.h
@@ -230,6 +230,9 @@ private:
 /** Writes a number to a stream as 8-bit characters in the default system encoding. */
 OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, int number);
 
+/** Writes a number to a stream as 8-bit characters in the default system encoding. */
+OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, int64 number);
+
 /** Writes a number to a stream as 8-bit characters in the default system encoding. */
 OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, double number);