diff --git a/mozilla/extensions/inspector/Makefile.in b/mozilla/extensions/inspector/Makefile.in
index 24dc5c51626..1a3d0c24f95 100644
--- a/mozilla/extensions/inspector/Makefile.in
+++ b/mozilla/extensions/inspector/Makefile.in
@@ -67,6 +67,7 @@ DIST_FILES = install.rdf
 XULAPP_DEFINES = \
 	-DFIREFOX_VERSION=$(FIREFOX_VERSION) \
 	-DTHUNDERBIRD_VERSION=$(THUNDERBIRD_VERSION) \
+	-DSEAMONKEY_VERSION=$(SEAMONKEY_VERSION) \
 	-DEXTENSION_VERSION=$(MOZILLA_VERSION) \
 	$(NULL)
 
diff --git a/mozilla/extensions/inspector/install.rdf b/mozilla/extensions/inspector/install.rdf
index be00623583d..d1e30fe22a1 100644
--- a/mozilla/extensions/inspector/install.rdf
+++ b/mozilla/extensions/inspector/install.rdf
@@ -25,6 +25,15 @@
         <em:maxVersion>@THUNDERBIRD_VERSION@</em:maxVersion>
       </Description>
     </em:targetApplication>
+
+    <em:targetApplication>
+      <!-- Suite -->
+      <Description>
+        <em:id>{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}</em:id>
+        <em:minVersion>@SEAMONKEY_VERSION@</em:minVersion>
+        <em:maxVersion>@SEAMONKEY_VERSION@</em:maxVersion>
+      </Description>
+    </em:targetApplication>
     
     <!-- EXTENSION AUTHORS!
          DO NOT COPY THIS PROPERTY INTO YOUR INSTALL RDF FILES