diff --git a/src/internal/slibtool_spawn_impl.h b/src/internal/slibtool_spawn_impl.h
index b376ad8..3966fcb 100644
--- a/src/internal/slibtool_spawn_impl.h
+++ b/src/internal/slibtool_spawn_impl.h
@@ -4,10 +4,15 @@
 /*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
 /*******************************************************************/
 
+#include <limits.h>
 #include <unistd.h>
 #include <stdbool.h>
 #include <sys/wait.h>
 
+#ifndef PATH_MAX
+#define PATH_MAX (_XOPEN_PATH_MAX < 4096) ? 4096 : _XOPEN_PATH_MAX
+#endif
+
 #ifndef SLBT_USE_FORK
 #ifndef SLBT_USE_VFORK
 #ifndef SLBT_USE_POSIX_SPAWN
diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c
index 1ef8b77..009a59f 100644
--- a/src/logic/slbt_exec_link.c
+++ b/src/logic/slbt_exec_link.c
@@ -7,7 +7,6 @@
 #include <string.h>
 #include <stdbool.h>
 #include <fcntl.h>
-#include <limits.h>
 #include <errno.h>
 #include <sys/stat.h>
 
@@ -25,10 +24,6 @@
 /*                                                                 */
 /*******************************************************************/
 
-#ifndef PATH_MAX
-#define PATH_MAX _XOPEN_PATH_MAX
-#endif
-
 static bool slbt_adjust_input_argument(char * arg, bool fpic)
 {
 	char *	dot;