diff --git a/src/x86_64/Gglobal.c b/src/x86_64/Gglobal.c
index 8eba27aa..b9b001aa 100644
--- a/src/x86_64/Gglobal.c
+++ b/src/x86_64/Gglobal.c
@@ -25,6 +25,7 @@ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
 
+#include "config.h"
 #include "unwind_i.h"
 #include "dwarf_i.h"
 
diff --git a/src/x86_64/Lglobal.c b/src/x86_64/Lglobal.c
index 6d7b489e..8c43a67c 100644
--- a/src/x86_64/Lglobal.c
+++ b/src/x86_64/Lglobal.c
@@ -1,4 +1,5 @@
 #define UNW_LOCAL_ONLY
+#include "config.h"
 #include <libunwind.h>
 #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
 #include "Gglobal.c"