diff --git a/src/bin/shell/error.c b/src/bin/shell/error.c
index fcc89e9..7b97f1b 100755
--- a/src/bin/shell/error.c
+++ b/src/bin/shell/error.c
@@ -22,8 +22,9 @@
 **************************************************************************************/
 
 #include <stdio.h>
+#include <stdlib.h>
 
 void error(int errorCode,char *errorMsg) {
-  printf("ERROR: #%i Message: %s\n", errorMsg);
+  printf("ERROR: #%i Message: %s\n", errorCode, errorMsg);
   exit(errorCode);
   }
diff --git a/src/bin/shell/exec.c b/src/bin/shell/exec.c
index 97c4978..55b3333 100755
--- a/src/bin/shell/exec.c
+++ b/src/bin/shell/exec.c
@@ -22,6 +22,9 @@
 **************************************************************************************/
 
 #include <sys/sys.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
 
 void execProgram(char *program,int argc,char **argv) {
   int cPid = 0x0;
@@ -35,4 +38,4 @@
   else {
     while (pidStatus(cPid));
     }  
-  }
\ No newline at end of file
+  }