diff --git a/scripts/bletchmame_build_msys2.sh b/scripts/bletchmame_build_msys2.sh
index 2aaa6b9..bfed385 100644
--- a/scripts/bletchmame_build_msys2.sh
+++ b/scripts/bletchmame_build_msys2.sh
@@ -41,6 +41,7 @@ cmake -S. -B${BLETCHMAME_BUILD_DIR}								\
 	-DCMAKE_BUILD_TYPE=${BUILD_TYPE}							\
 	-DCMAKE_PREFIX_PATH="${DEPS_INSTALL_DIR};${QT_INSTALL_DIR}"	\
 	-DCMAKE_DISABLE_FIND_PACKAGE_harfbuzz=TRUE					\
+	--debug-find-pkg=WrapPNG -DQT_DEBUG_FIND_PACKAGE=ON
 
 # generate version.gen.h
 mkdir -p ${BLETCHMAME_DIR}/include