diff --git a/editor/base/Makefile.in b/editor/base/Makefile.in
index 6ad9f520baa5..8b5b9a355283 100644
--- a/editor/base/Makefile.in
+++ b/editor/base/Makefile.in
@@ -105,7 +105,7 @@ CPPSRCS += nsHTMLEditorLog.cpp \
            nsEditorTxnLog.cpp  \
            $(NULL)
 
-DEFINES += -DENABLE_EDITOR_API_LOG
+DEFINES += -DENABLE_EDITOR_API_LOG=1
 
 endif