diff --git a/wlopm.c b/wlopm.c
index 0301343..69f5602 100644
--- a/wlopm.c
+++ b/wlopm.c
@@ -27,7 +27,7 @@
 #include <unistd.h>
 #include <wayland-client.h>
 
-#ifndef BSD
+#ifdef __linux__
 #include<execinfo.h>
 #endif
 
@@ -431,7 +431,7 @@ static void handle_error (int signum)
 		"\n";
 	fputs(msg, stderr);
 
-#ifndef BSD
+#ifdef __linux__
 	fputs("Attempting to get backtrace:\n", stderr);
 
 	/* In some rare cases, getting a backtrace can also cause a segfault.