diff --git a/dom/ipc/ContentParent.cpp b/dom/ipc/ContentParent.cpp
index 0fe27ab5bca3..557f18c221a2 100755
--- a/dom/ipc/ContentParent.cpp
+++ b/dom/ipc/ContentParent.cpp
@@ -1845,11 +1845,12 @@ ContentParent::OnBeginSyncTransaction() {
         if (!sDisableUnsafeCPOWWarnings) {
             if (console && cx) {
                 nsAutoString filename;
-                uint32_t lineno = 0;
-                nsJSUtils::GetCallingLocation(cx, filename, &lineno);
+                uint32_t lineno = 0, column = 0;
+                nsJSUtils::GetCallingLocation(cx, filename, &lineno, &column);
                 nsCOMPtr<nsIScriptError> error(do_CreateInstance(NS_SCRIPTERROR_CONTRACTID));
-                error->Init(NS_LITERAL_STRING("unsafe CPOW usage"), filename, EmptyString(),
-                            lineno, 0, nsIScriptError::warningFlag, "chrome javascript");
+                error->Init(NS_LITERAL_STRING("unsafe CPOW usage"), filename,
+                            EmptyString(), lineno, column,
+                            nsIScriptError::warningFlag, "chrome javascript");
                 console->LogMessage(error);
             } else {
                 NS_WARNING("Unsafe synchronous IPC message");