diff --git a/src/lib/decrypter.c b/src/lib/decrypter.c
index 53bea37..f2a1118 100644
--- a/src/lib/decrypter.c
+++ b/src/lib/decrypter.c
@@ -11,7 +11,7 @@
 outputFlags decryptText(char *text, char *keyNew)
 {
     //CHECK VARIABLE
-    int checkExitCode;
+    unsigned char checkExitCode;
 
     //TIME VARIABLES
     struct timeval startTime;
diff --git a/src/lib/encrypter.c b/src/lib/encrypter.c
index 39c973b..8d2dcba 100644
--- a/src/lib/encrypter.c
+++ b/src/lib/encrypter.c
@@ -11,7 +11,7 @@
 outputFlags encryptText(char *text, char *keyNew)
 {
     //CHECK VARIABLE
-    int checkExitCode;
+    unsigned char checkExitCode;
 
     //TIME VARIABLES
     struct timeval startTime;