diff --git a/src/H5Zdeflate.c b/src/H5Zdeflate.c
index 105b93b2255..3c9b8dc638f 100644
--- a/src/H5Zdeflate.c
+++ b/src/H5Zdeflate.c
@@ -23,7 +23,7 @@
 #define H5_ZLIB_HEADER "zlib.h"
 #endif
 #if defined(H5_ZLIB_HEADER)
-#include H5_ZLIB_HEADER "zlib.h"
+#include H5_ZLIB_HEADER
 #endif
 
 /* Local function prototypes */