diff --git a/debian/rules b/debian/rules
index 54340461ef..7dd2a3b597 100755
--- a/debian/rules
+++ b/debian/rules
@@ -4,6 +4,7 @@ include /usr/share/dpkg/default.mk
 include debian/opts.mk
 
 export DPKG_GENSYMBOLS_CHECK_LEVEL = 4
+export DEB_BUILD_OPTIONS = noopt
 
 # Needed for ccache to work in case the build directory changed
 # (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=810871)