diff --git a/ispc.cpp b/ispc.cpp
index a90a1baf..8bfc9a9d 100644
--- a/ispc.cpp
+++ b/ispc.cpp
@@ -217,7 +217,7 @@ Target::SupportedTargetISAs() {
     return "sse2, sse2-x2, sse4, sse4-x2"
 #ifndef LLVM_2_9
         ", avx, avx-x2"
-#endif !LLVM_2_9
+#endif // !LLVM_2_9
 #ifdef LLVM_3_1svn
         ", avx2, avx2-x2"
 #endif // LLVM_3_1svn
diff --git a/ispc.h b/ispc.h
index 7211ff93..6eb2cdd9 100644
--- a/ispc.h
+++ b/ispc.h
@@ -52,6 +52,7 @@
 
 #include <stdint.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include <vector>
 #include <string>