diff --git a/inst/include/dotCall64.h b/inst/include/dotCall64.h
index d06e6e35d3ebe2e11015487f4a577fa103278038..27085c9adf5c51b40939005e2d53c399bc52a969 100644
--- a/inst/include/dotCall64.h
+++ b/inst/include/dotCall64.h
@@ -1,11 +1,11 @@
 #ifndef DOTCALL64_H
 #define DOTCALL64_H
 
-#include<R.h>
-#include<Rdefines.h>
+#include <R.h>
+#include <Rdefines.h>
 
 // Defines DL_FUNC.
-#include<R_ext/Rdynload.h>
+#include <R_ext/Rdynload.h>
 
 // Defines INTSXP and REALSXP to be used in the args_type array.
 #include<Rinternals.h>