diff --git a/configure b/configure
index dd50dfb..4f2c381 100755
--- a/configure
+++ b/configure
@@ -376,8 +376,21 @@ then
   fi
 fi
 
-if [ $feat_pps = "1" ] && \
-  test_code 'PPS API' 'string.h timepps.h' '' '' '
+timepps_h=""
+if [ $feat_pps = "1" ]; then
+  if test_code '<sys/timepps.h>' 'sys/timepps.h' '' '' ''; then
+    timepps_h="sys/timepps.h"
+    add_def HAVE_SYS_TIMEPPS_H
+  else
+    if test_code '<timepps.h>' 'timepps.h' '' '' ''; then
+      timepps_h="timepps.h"
+      add_def HAVE_TIMEPPS_H
+    fi
+  fi
+fi
+
+if [ "x$timepps_h" != "x" ] && \
+  test_code 'PPSAPI' "string.h $timepps_h" '' '' '
     pps_handle_t h;
     pps_info_t i;
     struct timespec ts;
diff --git a/refclock_pps.c b/refclock_pps.c
index 3a7ae1e..e747740 100644
--- a/refclock_pps.c
+++ b/refclock_pps.c
@@ -31,7 +31,11 @@
 
 #if HAVE_PPSAPI
 
+#if defined(HAVE_SYS_TIMEPPS_H)
+#include <sys/timepps.h>
+#elif defined(HAVE_TIMEPPS_H)
 #include <timepps.h>
+#endif
 
 #include "logging.h"
 #include "memory.h"