diff --git a/llvm/include/llvm-c/Transforms/PassManagerBuilder.h b/llvm/include/llvm-c/Transforms/PassManagerBuilder.h
index 0e5e3ca54128..82e513d4905d 100644
--- a/llvm/include/llvm-c/Transforms/PassManagerBuilder.h
+++ b/llvm/include/llvm-c/Transforms/PassManagerBuilder.h
@@ -77,8 +77,8 @@ LLVMPassManagerBuilderPopulateModulePassManager(LLVMPassManagerBuilderRef PMB,
 /** See llvm::PassManagerBuilder::populateLTOPassManager. */
 void LLVMPassManagerBuilderPopulateLTOPassManager(LLVMPassManagerBuilderRef PMB,
                                                   LLVMPassManagerRef PM,
-                                                  bool Internalize,
-                                                  bool RunInliner);
+                                                  LLVMBool Internalize,
+                                                  LLVMBool RunInliner);
 
 /**
  * @}
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index 47b2b51899c6..027a9f2a6871 100644
--- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -391,9 +391,9 @@ LLVMPassManagerBuilderPopulateModulePassManager(LLVMPassManagerBuilderRef PMB,
 
 void LLVMPassManagerBuilderPopulateLTOPassManager(LLVMPassManagerBuilderRef PMB,
                                                   LLVMPassManagerRef PM,
-                                                  bool Internalize,
-                                                  bool RunInliner) {
+                                                  LLVMBool Internalize,
+                                                  LLVMBool RunInliner) {
   PassManagerBuilder *Builder = unwrap(PMB);
   PassManagerBase *LPM = unwrap(PM);
-  Builder->populateLTOPassManager(*LPM, Internalize, RunInliner);
+  Builder->populateLTOPassManager(*LPM, Internalize != 0, RunInliner != 0);
 }