diff --git a/src/main/c/calculator.h b/src/main/c/calculator.h
index a559fa6..0a34ca1 100644
--- a/src/main/c/calculator.h
+++ b/src/main/c/calculator.h
@@ -85,6 +85,6 @@ double ConClock(double time, int startingUnit, int endingUnit);
 
 double ConTime(double time, int startingUnit, int endingUnit);
 
-int performOperation(int num1, char operator, int num2);
+int performOperation(int num1, char operatorType, int num2);
 
 #endif // CALCULATOR
diff --git a/src/main/c/programmingMode.c b/src/main/c/programmingMode.c
index 40da798..f9a4ebb 100644
--- a/src/main/c/programmingMode.c
+++ b/src/main/c/programmingMode.c
@@ -22,8 +22,8 @@ char getOperatorInput() {
 }
 
 // Calculation
-int performOperation(int num1, char operator, int num2) {
-    switch (operator) {
+int performOperation(int num1, char operatorType, int num2) {
+    switch (operatorType) {
         case '+':
             return num1 + num2;
         case '-':