diff --git a/src/inputHandling.c b/src/inputHandling.c
index 6229f21..58e692b 100644
--- a/src/inputHandling.c
+++ b/src/inputHandling.c
@@ -4,7 +4,7 @@
 #include <stdlib.h>
 
 
-char data[1000];
+char formulaBuffer[1000];
 void deleteWhitespace(char* formulaString, int length);
 op readFunction(char* formulaString, int length);
 char* getNumbers(char* formulaString, int length, calc_op* formulaRef);
@@ -14,10 +14,10 @@ void showStruct(calc_op* formulaRef);
 void input(char* formulaString, int length) {
     deleteWhitespace(formulaString, length);
     calc_op temp;
-    memcpy(data, formulaString, length);
+    memcpy(formulaBuffer, formulaString, length);
     temp.formel = formulaString;
-    temp.funktionstyp = readFunction(data, 10);
-    if (getNumbers(data, length, &temp) == NULL){
+    temp.funktionstyp = readFunction(formulaBuffer, 10);
+    if (getNumbers(formulaBuffer, length, &temp) == NULL){
         showStruct(&temp);
     } else {
         printf("Formular %s not supported", temp.formel);