1 files changed, 1 insertions, 0 deletions
diff --git a/src/mtx_conv.c b/src/mtx_conv.c
index 5614da7..b09b143 100644
--- a/src/mtx_conv.c
+++ b/src/mtx_conv.c
@@ -13,6 +13,7 @@
  */
 
 #include "iemmatrix.h"
+#include <stdlib.h>
 
 static t_class *mtx_conv_class;