diff --git a/kernel/include/sortix/syscallnum.h b/kernel/include/sortix/syscallnum.h
index 9fdcd86e..3a862f54 100644
--- a/kernel/include/sortix/syscallnum.h
+++ b/kernel/include/sortix/syscallnum.h
@@ -34,7 +34,7 @@
 #define SYSCALL_CHANGE_FRAME 6
 #define SYSCALL_DELETE_FRAME 7
 #define SYSCALL_SET_FREQUENCY 9
-#define SYSCALL_EXEC 10
+#define SYSCALL_EXECVE 10
 #define SYSCALL_PRINT_PATH_FILES 11
 #define SYSCALL_GETPID 13
 #define SYSCALL_GETPPID 14
@@ -57,8 +57,8 @@
 #define SYSCALL_ISATTY 33
 #define SYSCALL_UPTIME 34
 #define SYSCALL_SBRK 35
-#define SYSCALL_SEEK 36
-#define SYSCALL_GET_PAGE_SIZE 37
+#define SYSCALL_LSEEK 36
+#define SYSCALL_GETPAGESIZE 37
 #define SYSCALL_MKDIR 38
 #define SYSCALL_RMDIR 39
 #define SYSCALL_TRUNCATE 40
diff --git a/kernel/io.cpp b/kernel/io.cpp
index e9159ac5..45275088 100644
--- a/kernel/io.cpp
+++ b/kernel/io.cpp
@@ -105,7 +105,7 @@ static ssize_t sys_pread(int fd, void* buffer, size_t count, off_t off)
 	return ret;
 }
 
-static off_t sys_seek(int fd, off_t offset, int whence)
+static off_t sys_lseek(int fd, off_t offset, int whence)
 {
 	Ref<Descriptor> desc = CurrentProcess()->GetDescriptor(fd);
 	if ( !desc )
@@ -1070,6 +1070,7 @@ void Init()
 	Syscall::Register(SYSCALL_LINKAT, (void*) sys_linkat);
 	Syscall::Register(SYSCALL_LINK, (void*) sys_link);
 	Syscall::Register(SYSCALL_LISTEN, (void*) sys_listen);
+	Syscall::Register(SYSCALL_LSEEK, (void*) sys_lseek);
 	Syscall::Register(SYSCALL_MKDIRAT, (void*) sys_mkdirat);
 	Syscall::Register(SYSCALL_MKDIR, (void*) sys_mkdir);
 	Syscall::Register(SYSCALL_MKPARTITION, (void*) sys_mkpartition);
@@ -1086,7 +1087,6 @@ void Init()
 	Syscall::Register(SYSCALL_RECV, (void*) sys_recv);
 	Syscall::Register(SYSCALL_RENAMEAT, (void*) sys_renameat);
 	Syscall::Register(SYSCALL_RMDIR, (void*) sys_rmdir);
-	Syscall::Register(SYSCALL_SEEK, (void*) sys_seek);
 	Syscall::Register(SYSCALL_SEND, (void*) sys_send);
 	Syscall::Register(SYSCALL_SETTERMMODE, (void*) sys_settermmode);
 	Syscall::Register(SYSCALL_STAT, (void*) sys_stat);
diff --git a/kernel/process.cpp b/kernel/process.cpp
index fba7718f..87ad1bce 100644
--- a/kernel/process.cpp
+++ b/kernel/process.cpp
@@ -1256,9 +1256,9 @@ static mode_t sys_getumask(void)
 
 void Process::Init()
 {
-	Syscall::Register(SYSCALL_EXEC, (void*) sys_execve);
+	Syscall::Register(SYSCALL_EXECVE, (void*) sys_execve);
 	Syscall::Register(SYSCALL_EXIT, (void*) sys_exit);
-	Syscall::Register(SYSCALL_GET_PAGE_SIZE, (void*) sys_getpagesize);
+	Syscall::Register(SYSCALL_GETPAGESIZE, (void*) sys_getpagesize);
 	Syscall::Register(SYSCALL_GETPGID, (void*) sys_getpgid);
 	Syscall::Register(SYSCALL_GETPID, (void*) sys_getpid);
 	Syscall::Register(SYSCALL_GETPPID, (void*) sys_getppid);
diff --git a/libc/unistd/execve.cpp b/libc/unistd/execve.cpp
index 49759061..530c626e 100644
--- a/libc/unistd/execve.cpp
+++ b/libc/unistd/execve.cpp
@@ -25,7 +25,7 @@
 #include <sys/syscall.h>
 #include <unistd.h>
 
-DEFN_SYSCALL3(int, sys_execve, SYSCALL_EXEC, const char*, char* const*, char* const*);
+DEFN_SYSCALL3(int, sys_execve, SYSCALL_EXECVE, const char*, char* const*, char* const*);
 
 extern "C" int execve(const char* pathname, char* const* argv,
                       char* const* envp)
diff --git a/libc/unistd/getpagesize.cpp b/libc/unistd/getpagesize.cpp
index 32203fe6..f6e9a390 100644
--- a/libc/unistd/getpagesize.cpp
+++ b/libc/unistd/getpagesize.cpp
@@ -25,7 +25,7 @@
 #include <sys/syscall.h>
 #include <unistd.h>
 
-DEFN_SYSCALL0(size_t, sys_getpagesize, SYSCALL_GET_PAGE_SIZE);
+DEFN_SYSCALL0(size_t, sys_getpagesize, SYSCALL_GETPAGESIZE);
 
 extern "C" size_t getpagesize(void)
 {
diff --git a/libc/unistd/lseek.cpp b/libc/unistd/lseek.cpp
index 0e2a63ac..196fab47 100644
--- a/libc/unistd/lseek.cpp
+++ b/libc/unistd/lseek.cpp
@@ -25,7 +25,7 @@
 #include <sys/syscall.h>
 #include <unistd.h>
 
-DEFN_SYSCALL3(off_t, sys_seek, SYSCALL_SEEK, int, off_t, int);
+DEFN_SYSCALL3(off_t, sys_seek, SYSCALL_LSEEK, int, off_t, int);
 
 extern "C" off_t lseek(int fd, off_t offset, int whence)
 {