diff --git a/src/kill.c b/src/kill.c
index 322ba76..93fd2fb 100644
--- a/src/kill.c
+++ b/src/kill.c
@@ -2,6 +2,8 @@
 #include <stdlib.h>
 #include <signal.h>
 
+#include "lib/error.h"
+
 int
 main(int argc, char *argv[])
 {
@@ -21,6 +23,10 @@ main(int argc, char *argv[])
       fprintf(stderr, "Specify who to kill\n");
       return 1;
     }
-  kill(pid,sig);
+  int fd = kill(pid,sig);
+  
+  if(fd == -1)
+    syserror("Could not kill process\n");
+  
   return 0;
 }
diff --git a/src/lib/error.c b/src/lib/error.c
new file mode 100644
index 0000000..8822555
--- /dev/null
+++ b/src/lib/error.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include "error.h"
+
+int syserror(char *msg)
+{
+  fprintf(stderr,"%s",msg);
+  return 1;
+}
diff --git a/src/lib/error.h b/src/lib/error.h
new file mode 100644
index 0000000..9cf87d7
--- /dev/null
+++ b/src/lib/error.h
@@ -0,0 +1 @@
+int syserror(char *msg);