diff --git a/widget/src/os2/nsDeviceContextSpecFactoryO.cpp b/widget/src/os2/nsDeviceContextSpecFactoryO.cpp
index 3cea565bb1fc..0c394f4c1f5d 100644
--- a/widget/src/os2/nsDeviceContextSpecFactoryO.cpp
+++ b/widget/src/os2/nsDeviceContextSpecFactoryO.cpp
@@ -44,7 +44,7 @@
 
 nsDeviceContextSpecFactoryOS2 :: nsDeviceContextSpecFactoryOS2()
 {
-  NS_INIT_REFCNT();
+  NS_INIT_ISUPPORTS();
 }
 
 nsDeviceContextSpecFactoryOS2 :: ~nsDeviceContextSpecFactoryOS2()
diff --git a/widget/src/os2/nsDeviceContextSpecOS2.cpp b/widget/src/os2/nsDeviceContextSpecOS2.cpp
index 6a0562974477..06a1fe999c8e 100644
--- a/widget/src/os2/nsDeviceContextSpecOS2.cpp
+++ b/widget/src/os2/nsDeviceContextSpecOS2.cpp
@@ -74,7 +74,7 @@ int            GlobalPrinters::mGlobalNumPrinters = 0;
  */
 nsDeviceContextSpecOS2 :: nsDeviceContextSpecOS2()
 {
-  NS_INIT_REFCNT();
+  NS_INIT_ISUPPORTS();
   mQueue = nsnull;
 }
 
@@ -379,7 +379,7 @@ nsresult nsDeviceContextSpecOS2::GetPRTQUEUE( PRTQUEUE *&p)
 //  Printer Enumerator
 nsPrinterEnumeratorOS2::nsPrinterEnumeratorOS2()
 {
-  NS_INIT_REFCNT();
+  NS_INIT_ISUPPORTS();
 }
 
 NS_IMPL_ISUPPORTS1(nsPrinterEnumeratorOS2, nsIPrinterEnumerator)