diff --git a/include/llvm/Support/X86TargetParser.def b/include/llvm/Support/X86TargetParser.def
index 484bb780988..a71761a271c 100644
--- a/include/llvm/Support/X86TargetParser.def
+++ b/include/llvm/Support/X86TargetParser.def
@@ -50,7 +50,7 @@ X86_CPU_TYPE                  ("i386",        INTEL_i386)
 X86_CPU_TYPE                  ("i486",        INTEL_i486)
 X86_CPU_TYPE                  ("pentium",     INTEL_PENTIUM)
 X86_CPU_TYPE                  ("pentium-mmx", INTEL_PENTIUM_MMX)
-X86_CPU_TYPE                  ("pentium-pro", INTEL_PENTIUM_PRO)
+X86_CPU_TYPE                  ("pentiumpro",  INTEL_PENTIUM_PRO)
 X86_CPU_TYPE                  ("pentium2",    INTEL_PENTIUM_II)
 X86_CPU_TYPE                  ("pentium3",    INTEL_PENTIUM_III)
 X86_CPU_TYPE                  ("pentium4",    INTEL_PENTIUM_IV)