diff --git a/configure b/configure
index f1dac0660..baed36e91 100755
--- a/configure
+++ b/configure
@@ -165,10 +165,7 @@ set_defaults()
 	fi
     fi
     if [ "$UBSAN" != 0 ]; then
-	CSANFLAGS="$CSANFLAGS -fsanitize=undefined"
-	if [ "$DEBUGBUILD" != 0 ]; then
-	    CSANFLAGS="$CSANFLAGS -fno-sanitize-recover=undefined"
-	fi
+	CSANFLAGS="$CSANFLAGS -fsanitize=undefined -fno-sanitize-recover=undefined"
     fi
     if [ "$FUZZING" != 0 ]; then
 	FUZZFLAGS="-fsanitize=fuzzer-no-link -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION"