diff --git a/.gitignore b/.gitignore
index 5108c734..9d4bab39 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@ amath
 amath-test
 catalog/flexcat
 catalog/flexcat/flexcat
+build/flexcat/flexcat
 *_.3
 doxygen.warn
 *.deb