diff --git a/src/bin/shell/error.c b/src/bin/shell/error.c
index 7b97f1b..adf30a6 100644
--- a/src/bin/shell/error.c
+++ b/src/bin/shell/error.c
@@ -24,7 +24,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-void error(int errorCode,char *errorMsg) {
+void error(int errorCode,const char *errorMsg) {
   printf("ERROR: #%i Message: %s\n", errorCode, errorMsg);
   exit(errorCode);
   }
diff --git a/src/bin/shell/shell.h b/src/bin/shell/shell.h
index eba0d30..4d0f59f 100644
--- a/src/bin/shell/shell.h
+++ b/src/bin/shell/shell.h
@@ -18,3 +18,4 @@
 int commands(inputBuffer *);
 void execProgram(inputBuffer *);
 void freeArgs(inputBuffer *ptr);
+void error(int errorCode,const char *errorMsg);