diff --git a/src/fintamath/expressions/binary/PowExpression.cpp b/src/fintamath/expressions/binary/PowExpression.cpp
index 88f56cddc..ec4aefc4d 100644
--- a/src/fintamath/expressions/binary/PowExpression.cpp
+++ b/src/fintamath/expressions/binary/PowExpression.cpp
@@ -141,7 +141,7 @@ std::vector<Integer> PowExpression::getPartition(Integer bitNumber, const Intege
 
   while (result.size() < variableCount) {
     if (bitNumber % 2 == 1) {
-      counter++;
+      ++counter;
     }
 
     if (bitNumber % 2 == 0) {
diff --git a/src/fintamath/numbers/IntegerFunctions.cpp b/src/fintamath/numbers/IntegerFunctions.cpp
index bd4e7101b..9b0eb33f7 100644
--- a/src/fintamath/numbers/IntegerFunctions.cpp
+++ b/src/fintamath/numbers/IntegerFunctions.cpp
@@ -92,7 +92,7 @@ std::map<Integer, Integer> factors(Integer rhs, Integer limit) {
   std::map<Integer, Integer> factorRates;
 
   while (rhs % 2 == 0) {
-    factorRates[2]++;
+    ++factorRates[2];
     rhs /= 2;
   }
 
@@ -106,13 +106,13 @@ std::map<Integer, Integer> factors(Integer rhs, Integer limit) {
 
   for (Integer i = 3; i <= limit; i += 2) {
     while (rhs % i == 0) {
-      factorRates[i]++;
+      ++factorRates[i];
       rhs = rhs / i;
     }
   }
 
   if (rhs > 1) {
-    factorRates[rhs]++;
+    ++factorRates[rhs];
   }
 
   return factorRates;