diff --git a/Windows/debugger.cpp b/Windows/debugger.cpp
index 09d0b7e..1140669 100755
--- a/Windows/debugger.cpp
+++ b/Windows/debugger.cpp
@@ -43,7 +43,7 @@ limitations under the License.
 // cleans up all breakpoint structures
 // does not actually remove breakpoints in target process 
 void Debugger::DeleteBreakpoints() {
-  for (auto iter = breakpoints.begin(); iter != breakpoints.end(); iter++) {
+  for (auto iter = breakpoints.begin(); iter != breakpoints.end(); ++iter) {
     delete *iter;
   }
   breakpoints.clear();
diff --git a/tinyinst.cpp b/tinyinst.cpp
index b60e4b8..c6c2f3f 100755
--- a/tinyinst.cpp
+++ b/tinyinst.cpp
@@ -138,7 +138,7 @@ TinyInst::ModuleInfo::ModuleInfo() {
 void TinyInst::ModuleInfo::ClearInstrumentation() {
   instrumented = false;
 
-  for (auto iter = executable_ranges.begin(); iter != executable_ranges.end(); iter++) {
+  for (auto iter = executable_ranges.begin(); iter != executable_ranges.end(); ++iter) {
     if (iter->data) free(iter->data);
   }
   executable_ranges.clear();