diff --git a/browser/app/Makefile.in b/browser/app/Makefile.in
index b0bca4839c1e..66728c07e981 100644
--- a/browser/app/Makefile.in
+++ b/browser/app/Makefile.in
@@ -72,6 +72,16 @@ GRE_BUILDID = $(shell $(PYTHON) $(topsrcdir)/config/printconfigsetting.py $(LIBX
 
 DEFINES += -DGRE_MILESTONE=$(GRE_MILESTONE) -DGRE_BUILDID=$(GRE_BUILDID)
 
+SOURCE_STAMP := $(shell hg identify -i $(topsrcdir) 2>/dev/null)
+ifdef SOURCE_STAMP
+DEFINES += -DMOZ_SOURCE_STAMP="$(SOURCE_STAMP)"
+endif
+
+SOURCE_REPO := $(shell hg -R $(topsrcdir) showconfig paths.default 2>/dev/null | sed s/^ssh:/http:/)
+ifdef SOURCE_REPO
+DEFINES += -DMOZ_SOURCE_REPO="$(SOURCE_REPO)"
+endif
+
 LIBS += $(JEMALLOC_LIBS)
 
 ifdef LIBXUL_SDK
diff --git a/browser/app/application.ini b/browser/app/application.ini
index 28795b236f82..ec5f44fb686c 100644
--- a/browser/app/application.ini
+++ b/browser/app/application.ini
@@ -41,6 +41,12 @@ Vendor=Mozilla
 Name=Firefox
 Version=@APP_VERSION@
 BuildID=@GRE_BUILDID@
+#ifdef MOZ_SOURCE_REPO
+SourceRepository=@MOZ_SOURCE_REPO@
+#endif
+#ifdef MOZ_SOURCE_STAMP
+SourceStamp=@MOZ_SOURCE_STAMP@
+#endif
 Copyright=Copyright (c) 1998 - 2008 mozilla.org
 ID={ec8030f7-c20a-464f-9b0e-13a3a9e97384}