1 files changed, 1 insertions, 1 deletions
diff --git a/build.sh b/build.sh
index bf4b3d8..2ca4c4f 100755
--- a/build.sh
+++ b/build.sh
@@ -7,7 +7,7 @@ CC=gcc
 #   - must be set if the zero value of a pointer (as might be set by calloc/memset)
 #     is not the NULL pointer.
 
-ADDITIONAL_FLAGS=
+ADDITIONAL_FLAGS=''
 
 WARNINGS='-Wall -Wextra -Wpedantic -Wconversion -Wshadow'
 DEBUG_FLAGS="-O0 -g3 $WARNINGS -std=c11"