diff --git a/mkspecs/win32-g++/qmake.conf b/mkspecs/win32-g++/qmake.conf
index 61963c7b0d..2b9eab3e3d 100644
--- a/mkspecs/win32-g++/qmake.conf
+++ b/mkspecs/win32-g++/qmake.conf
@@ -31,6 +31,7 @@ QMAKE_CFLAGS_DEPS       = -M
 QMAKE_CFLAGS_WARN_ON    = -Wall -Wextra
 QMAKE_CFLAGS_WARN_OFF   = -w
 QMAKE_CFLAGS_RELEASE    = -O2
+QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO = -O2 -g
 QMAKE_CFLAGS_DEBUG      = -g
 QMAKE_CFLAGS_YACC       = -Wno-unused -Wno-parentheses
 QMAKE_CFLAGS_SPLIT_SECTIONS = -ffunction-sections