diff --git a/src/utils/fluidsynth_priv.h b/src/utils/fluidsynth_priv.h
index fbcbc6f..682c313 100644
--- a/src/utils/fluidsynth_priv.h
+++ b/src/utils/fluidsynth_priv.h
@@ -43,6 +43,7 @@
 
 #if HAVE_STRING_H
 #include <string.h>
+#include <strings.h>
 #endif