diff --git a/linux/fsfwconfig/OBSWConfig.h.in b/linux/fsfwconfig/OBSWConfig.h.in
index 043ce97b..4643543f 100644
--- a/linux/fsfwconfig/OBSWConfig.h.in
+++ b/linux/fsfwconfig/OBSWConfig.h.in
@@ -59,7 +59,7 @@ debugging. */
 
 #endif
 
-#if defined EGSE
+#ifdef EGSE
 #define OBSW_ADD_STAR_TRACKER                      1
 #endif