diff --git a/BasiliskII/src/BeOS/extfs_beos.cpp b/BasiliskII/src/BeOS/extfs_beos.cpp
index 99602520..540902cc 100644
--- a/BasiliskII/src/BeOS/extfs_beos.cpp
+++ b/BasiliskII/src/BeOS/extfs_beos.cpp
@@ -82,7 +82,7 @@ void add_path_component(char *path, const char *component, int max_len)
 		path[l] = '/';
 		path[l+1] = 0;
 	}
-	strncat(path, s, max_len-1);
+	strncat(path, component, max_len-1);
 }
 
 
diff --git a/BasiliskII/src/Unix/extfs_unix.cpp b/BasiliskII/src/Unix/extfs_unix.cpp
index a8a1cf76..e9387b53 100644
--- a/BasiliskII/src/Unix/extfs_unix.cpp
+++ b/BasiliskII/src/Unix/extfs_unix.cpp
@@ -67,7 +67,7 @@ void add_path_component(char *path, const char *component, int max_len)
 		path[l] = '/';
 		path[l+1] = 0;
 	}
-	strncat(path, s, max_len-1);
+	strncat(path, component, max_len-1);
 }