diff --git a/regtest/.gitignore b/regtest/.gitignore
index 606374a229..cf2a54bde8 100644
--- a/regtest/.gitignore
+++ b/regtest/.gitignore
@@ -32,6 +32,7 @@
 !/sasa
 !/s2cm
 !/pytorch
+!/membranefusion
 # These files we just want to ignore completely
 tmp
 report.txt