diff --git a/gb.jit/configure.ac b/gb.jit/configure.ac
index 833c12337..b3f833851 100644
--- a/gb.jit/configure.ac
+++ b/gb.jit/configure.ac
@@ -32,7 +32,7 @@ fi
 
 GB_COMPONENT(
   jit, JIT, gb.jit, [src],
-  [GB_FIND(LLVMContext.h, /usr/lib/llvm* /usr/local/lib /usr/local /usr/lib /usr `$LLVM_CONFIG --prefix`, include/llvm include/IR)],
+  [GB_FIND(llvm/AutoUpgrade.h, /usr/lib/llvm* /usr/local/lib /usr/local /usr/lib /usr `$LLVM_CONFIG --prefix`, include)],
   [GB_FIND(libLLVM-$LLVM_VERSION.$SHLIBEXT, /usr/lib/llvm* /usr/local /usr `$LLVM_CONFIG --prefix`, lib)],
   [$C_LIB `$LLVM_CONFIG --ldflags` -lLLVM-$LLVM_VERSION],
   [-I../../main/gbx -I../../main/share -D_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS])