diff --git a/simgear/math/sg_memory.h b/simgear/math/sg_memory.h
index 486c9b88..ce44a827 100644
--- a/simgear/math/sg_memory.h
+++ b/simgear/math/sg_memory.h
@@ -26,7 +26,7 @@
 #define _SG_MEMORY_H
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#  include <simgear_config.h>
 #endif
 
 #ifdef HAVE_MEMCPY
diff --git a/simgear/misc/stopwatch.hxx b/simgear/misc/stopwatch.hxx
index bb8ebc4f..8ed903c4 100644
--- a/simgear/misc/stopwatch.hxx
+++ b/simgear/misc/stopwatch.hxx
@@ -44,7 +44,7 @@
 #endif                                   
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#  include <simgear_config.h>
 #endif
 
 #if defined(__linux__) && ! defined(HAVE_GETRUSAGE)