diff --git a/quad/ip_repo/Makefile b/quad/ip_repo/Makefile
index d172a6e973823dfd1b5b11dba938f618f198f41c..8c1120a62e3eeabcb735581ebbb0b0c8a5f3a2c2 100644
--- a/quad/ip_repo/Makefile
+++ b/quad/ip_repo/Makefile
@@ -1,6 +1,6 @@
 build-tests: 
 	(cd pwm_recorder_1.0/ && make build-tests)
-	(cd pwm_sigal_out_1.0/ && make build-tests)
+	(cd pwm_signal_out_1.0/ && make build-tests)
 
 run-tests:
 	(cd pwm_recorder_1.0/ && make run-tests)