diff --git a/PowerEditor/src/WinControls/AboutDlg/AboutDlg.cpp b/PowerEditor/src/WinControls/AboutDlg/AboutDlg.cpp
index 3218ac2c..169c22df 100644
--- a/PowerEditor/src/WinControls/AboutDlg/AboutDlg.cpp
+++ b/PowerEditor/src/WinControls/AboutDlg/AboutDlg.cpp
@@ -33,7 +33,7 @@
 #include "AboutDlg.h"
 #include "Parameters.h"
 
-BOOL CALLBACK AboutDlg::run_dlgProc(UINT message, WPARAM wParam, LPARAM lParam)
+INT_PTR CALLBACK AboutDlg::run_dlgProc(UINT message, WPARAM wParam, LPARAM lParam)
 {
 	switch (message) 
 	{
diff --git a/PowerEditor/src/WinControls/ColourPicker/ColourPopup.cpp b/PowerEditor/src/WinControls/ColourPicker/ColourPopup.cpp
index 0d951dc2..5cd271ae 100644
--- a/PowerEditor/src/WinControls/ColourPicker/ColourPopup.cpp
+++ b/PowerEditor/src/WinControls/ColourPicker/ColourPopup.cpp
@@ -85,7 +85,7 @@ INT_PTR CALLBACK ColourPopup::dlgProc(HWND hwnd, UINT message, WPARAM wParam, LP
 	}
 }
 
-BOOL CALLBACK ColourPopup::run_dlgProc(UINT message, WPARAM wParam, LPARAM lParam)
+INT_PTR CALLBACK ColourPopup::run_dlgProc(UINT message, WPARAM wParam, LPARAM lParam)
 {
 
 	switch (message)