diff --git a/.gitmodules b/.gitmodules
index 709b4865..29cde688 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -63,7 +63,7 @@
 	url = https://github.com/richardyrh/testchipip.git
 [submodule "sims/firesim"]
 	path = sims/firesim
-	url = https://github.com/firesim/firesim.git
+	url = https://github.com/richardyrh/firesim.git
 [submodule "software/baremetal-ide"]
 	path = software/baremetal-ide
 	url = https://github.com/ucb-bar/Baremetal-IDE.git