diff --git a/src/main.c b/src/main.c
index 94805f1c..53c556b0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1578,28 +1578,28 @@ static void _shed_privileges()
 	if (setrlimit(RLIMIT_FSIZE, &zeroLimit) != 0)
 	{
 		perror("setrlimit(RLIMIT_FSIZE, {0, 0})");
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 	if (setrlimit(RLIMIT_NOFILE, &zeroLimit) != 0)
 	{
 		perror("setrlimit(RLIMIT_NOFILE, {0, 0})");
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 	if (setrlimit(RLIMIT_NPROC, &zeroLimit) != 0)
 	{
 		perror("setrlimit(RLIMIT_NPROC, {0, 0})");
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 #if !defined(__MACH__) && !defined(__OpenBSD__)
 	if (setrlimit(RLIMIT_LOCKS, &zeroLimit) != 0)
 	{
 		perror("setrlimit(RLIMIT_LOCKS, {0, 0})");
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 	if (setrlimit(RLIMIT_MSGQUEUE, &zeroLimit) != 0)
 	{
 		perror("setrlimit(RLIMIT_MSGQUEUE, {0, 0})");
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 #endif
 #endif
@@ -1609,12 +1609,12 @@ static void _shed_privileges()
 	if (unveil("/dev/null", "r") || unveil(NULL, NULL))
 	{
 		perror("unveil");
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 	if (pledge("stdio unveil", NULL))
 	{
 		perror("pledge");
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 #endif
 }
@@ -1831,7 +1831,7 @@ static void _error_handler(int sig)
 	const char* stack = tf_util_backtrace_string();
 	tf_printf("ERROR:\n%s\n", stack);
 	tf_free((void*)stack);
-	_exit(1);
+	_exit(EXIT_FAILURE);
 }
 
 #if defined(_WIN32)
@@ -1843,7 +1843,7 @@ static LONG WINAPI _win32_exception_handler(EXCEPTION_POINTERS* info)
 		const char* stack = tf_util_backtrace_string();
 		tf_printf("ERROR:\n%s\n", stack);
 		tf_free((void*)stack);
-		_exit(1);
+		_exit(EXIT_FAILURE);
 	}
 	return EXCEPTION_CONTINUE_SEARCH;
 }
diff --git a/src/task.c b/src/task.c
index f89e3edb..d358879a 100644
--- a/src/task.c
+++ b/src/task.c
@@ -1101,7 +1101,7 @@ void tf_task_on_receive_packet(int packetType, const char* begin, size_t length,
 		}
 		else
 		{
-			exit(1);
+			exit(EXIT_FAILURE);
 		}
 		break;
 	case kSetImports:
@@ -1699,7 +1699,7 @@ void tf_task_activate(tf_task_t* task)
 				else
 				{
 					tf_printf("Assignment missing '=': %s.\n", assignment);
-					exit(1);
+					exit(EXIT_FAILURE);
 				}
 			}
 			tf_free(copy);