diff --git a/utils/make-pkgconfig.swift b/utils/make-pkgconfig.swift
index aeddec30..7f5056ef 100644
--- a/utils/make-pkgconfig.swift
+++ b/utils/make-pkgconfig.swift
@@ -58,7 +58,7 @@ func makeFile() throws {
   let cllvmPath = pkgConfigDir.appendingPathComponent("cllvm.pc")
 
   /// Ensure we have llvm-config in the PATH
-  guard let llvmConfig = which("llvm-config") else {
+  guard let llvmConfig = which("llvm-config-3.9") else {
     throw "Failed to find llvm-config. Ensure llvm-config is installed and " +
           "in your PATH"
   }