diff --git a/plugins/fishlim/tests/tests.c b/plugins/fishlim/tests/tests.c
index 393194d8..f3e852d2 100644
--- a/plugins/fishlim/tests/tests.c
+++ b/plugins/fishlim/tests/tests.c
@@ -21,6 +21,7 @@
 
 */
 
+#include <string.h>
 #include <glib.h>
 
 #include "fish.h"
diff --git a/plugins/fishlim/utils.c b/plugins/fishlim/utils.c
index 4052995a..17ed4c2e 100644
--- a/plugins/fishlim/utils.c
+++ b/plugins/fishlim/utils.c
@@ -22,6 +22,8 @@
 
 */
 
+#include <string.h>
+
 #include "utils.h"
 #include "fish.h"