diff --git a/im/installer/Makefile.in b/im/installer/Makefile.in
index 74dfb07a28..11257b19dd 100644
--- a/im/installer/Makefile.in
+++ b/im/installer/Makefile.in
@@ -53,6 +53,14 @@ else
 DEFINES += -DJAREXT=
 endif
 
+ifdef MOZ_ANGLE_RENDERER
+DEFINES += \
+  -DMOZ_ANGLE_RENDERER=$(MOZ_ANGLE_RENDERER) \
+  -DMOZ_D3DX9_DLL=$(MOZ_D3DX9_DLL) \
+  -DMOZ_D3DCOMPILER_DLL=$(MOZ_D3DCOMPILER_DLL) \
+	$(NULL)
+endif
+
 include $(MOZILLA_SRCDIR)/ipc/app/defs.mk
 DEFINES += -DMOZ_CHILD_PROCESS_NAME=$(MOZ_CHILD_PROCESS_NAME)
 
diff --git a/im/installer/package-manifest.in b/im/installer/package-manifest.in
index 6e71373644..248ee9ffc9 100644
--- a/im/installer/package-manifest.in
+++ b/im/installer/package-manifest.in
@@ -93,7 +93,7 @@
 #endif
 #endif
 ; ANGLE GLES-on-D3D rendering library
-#ifdef MOZ_ANGLE
+#ifdef MOZ_ANGLE_RENDERER
 @BINPATH@/libEGL.dll
 @BINPATH@/libGLESv2.dll
 @BINPATH@/@MOZ_D3DX9_DLL@