diff --git a/src/modules/image/configure.in b/src/modules/image/configure.in
index 8f7f9ec818fe0e7cd7f92c75cfc79993cffaab65..c5315ef3e534f0e90fe8ae250332eadebb289470 100644
--- a/src/modules/image/configure.in
+++ b/src/modules/image/configure.in
@@ -3,7 +3,7 @@ AC_INIT(image.c)
 AC_PROG_CC
 AC_PROG_RANLIB
 
-AC_CHECK_HEADER(sys/fcntl.h fcntl.h)
+AC_CHECK_HEADERS(sys/fcntl.h fcntl.h)
 
 AC_SUBST(RANLIB)