diff --git a/configure.ac b/configure.ac
index 48bd150a..dd6080ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -177,7 +177,7 @@ dnl Checks for header files.
 dnl =======================
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME
-AC_CHECK_HEADERS(fcntl.h limits.h sys/ioctl.h sys/time.h sys/types.h libintl.h sys/select.h poll.h malloc.h ctype.h stdlib.h string.h strings.h)
+AC_CHECK_HEADERS(fcntl.h limits.h sys/ioctl.h sys/time.h sys/types.h libintl.h sys/select.h poll.h malloc.h ctype.h string.h strings.h)
 
 
 
@@ -775,6 +775,10 @@ dnl         End of Graphic Format Libraries
 dnl ==============================================
 
 
+dnl
+dnl stdlib.h is checked here, because of conflict in jpeglib.h
+AC_CHECK_HEADERS(stdlib.h)
+
 # AC_PREFIX_PROGRAM(wmaker)
 
 dnl Support for PIXMAPDIR option
diff --git a/configure.in b/configure.in
index 48bd150a..dd6080ef 100644
--- a/configure.in
+++ b/configure.in
@@ -177,7 +177,7 @@ dnl Checks for header files.
 dnl =======================
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME
-AC_CHECK_HEADERS(fcntl.h limits.h sys/ioctl.h sys/time.h sys/types.h libintl.h sys/select.h poll.h malloc.h ctype.h stdlib.h string.h strings.h)
+AC_CHECK_HEADERS(fcntl.h limits.h sys/ioctl.h sys/time.h sys/types.h libintl.h sys/select.h poll.h malloc.h ctype.h string.h strings.h)
 
 
 
@@ -775,6 +775,10 @@ dnl         End of Graphic Format Libraries
 dnl ==============================================
 
 
+dnl
+dnl stdlib.h is checked here, because of conflict in jpeglib.h
+AC_CHECK_HEADERS(stdlib.h)
+
 # AC_PREFIX_PROGRAM(wmaker)
 
 dnl Support for PIXMAPDIR option