diff --git a/headers/private/system/arch/x86/arch_elf.h b/headers/private/system/arch/x86/arch_elf.h
index 922ab095a7..a6b0737182 100644
--- a/headers/private/system/arch/x86/arch_elf.h
+++ b/headers/private/system/arch/x86/arch_elf.h
@@ -18,6 +18,8 @@
 #define R_386_RELATIVE	8	/* add load address of shared object */
 #define R_386_GOTOFF	9	/* add GOT relative symbol address */
 #define R_386_GOTPC		10	/* add PC relative GOT table address */
+#define R_386_TLS_DTPMOD32	35
+#define R_386_TLS_DTPOFF32	36
 
 #ifdef _BOOT_MODE
 # include "../x86_64/arch_elf.h"
diff --git a/headers/private/system/elf_common.h b/headers/private/system/elf_common.h
index 31eb0c0ecd..73a7743eff 100644
--- a/headers/private/system/elf_common.h
+++ b/headers/private/system/elf_common.h
@@ -139,6 +139,7 @@
 #define PT_NOTE		4
 #define PT_SHLIB	5
 #define PT_PHDR		6
+#define PT_TLS		7
 #define PT_STACK	0x6474e551
 
 #define PT_LOPROC	0x70000000