diff --git a/Makefile b/Makefile
index a6337542f0c74f8768c1b3252d463f2d505ad4a8..a907011f29a95f12a234b13ab72ac044ac40abbb 100644
--- a/Makefile
+++ b/Makefile
@@ -182,8 +182,10 @@ endif
 
 checksign:
 ifeq (${PLATFORM}, windows)
+ifeq (${RELEASE}, yes)
 	@sigcheck.exe ${QTBUILD}/release/${TARGET}.exe
 endif
+endif
 
 installer: check_qtifw checksign
 	@mkdir -p ${INST_DATA}