1 files changed, 3 insertions, 0 deletions
diff --git a/headers.h b/headers.h
index b690056..74fd7b7 100644
--- a/headers.h
+++ b/headers.h
@@ -36,6 +36,9 @@
 #ifdef HAVE_MEMORY_H
 # include <memory.h>
 #endif
+#ifdef HAVE_PTHREAD_H
+# include <pthread.h>
+#endif
 #ifdef HAVE_SIGINFO_H
 # include <siginfo.h>
 #endif