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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index c2878e5e..5f543c4c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -220,7 +220,7 @@ AS_IF([test "x$PLATFORM" = xosx],
       [test "x$PLATFORM" = xopenbsd],
       [AC_CHECK_FILE([/usr/local/include/ereadline],
           [LIBS="-lereadline $LIBS"
-              AM_CFLAGS="-I/usr/local/include/ereadline $AM_CFLAGS"
+              AM_CPPFLAGS="-I/usr/local/include/ereadline $AM_CFLAGS"
               AM_LDFLAGS="-L/usr/local/lib $AM_LDFLAGS"
               AC_SUBST(AM_LDFLAGS)])],