diff --git a/zathura/seccomp-filters.c b/zathura/seccomp-filters.c
index 044ac1c..96d5a01 100644
--- a/zathura/seccomp-filters.c
+++ b/zathura/seccomp-filters.c
@@ -225,7 +225,7 @@ seccomp_enable_strict_filter(bool test)
   ADD_RULE("errno", SCMP_ACT_ERRNO(EPERM), sched_getattr, 0);
 
 /* check test flag, allow additional syscalls for test mode */
-  if (test){
+  if (test) {
     ALLOW_RULE(timer_create);
     ALLOW_RULE(timer_delete);
   }
diff --git a/zathura/zathura.c b/zathura/zathura.c
index 0df1d69..39fddb2 100644
--- a/zathura/zathura.c
+++ b/zathura/zathura.c
@@ -448,7 +448,7 @@ zathura_init(zathura_t* zathura)
       break;
     case ZATHURA_SANDBOX_STRICT:
       girara_debug("Strict sandbox preventing write and network access.");
-      if (seccomp_enable_strict_filter(0) != 0) {
+      if (seccomp_enable_strict_filter(false) != 0) {
         girara_error("Failed to initialize strict seccomp filter.");
         goto error_free;
       }
@@ -457,7 +457,7 @@ zathura_init(zathura_t* zathura)
       break;
     case ZATHURA_SANDBOX_TEST:
       girara_debug("Strict sandbox preventing write and network access, testmode.");
-      if (seccomp_enable_strict_filter(1) != 0) {
+      if (seccomp_enable_strict_filter(true) != 0) {
         girara_error("Failed to initialize test seccomp filter.");
         goto error_free;
       }