2 files changed, 2 insertions, 2 deletions
diff --git a/tools/mwasmarm_patcher/Makefile b/tools/mwasmarm_patcher/Makefile
index 26df548c..bff3a677 100644
--- a/tools/mwasmarm_patcher/Makefile
+++ b/tools/mwasmarm_patcher/Makefile
@@ -2,7 +2,7 @@
 
 UNAME_S := $(shell uname -s)
 ifeq ($(UNAME_S),Darwin)
-CC := gcc-5
+CC := clang
 else
 CC := gcc
 endif
diff --git a/tools/mwasmarm_patcher/mwasmarm_patcher.c b/tools/mwasmarm_patcher/mwasmarm_patcher.c
index e5ad3272..18572204 100644
--- a/tools/mwasmarm_patcher/mwasmarm_patcher.c
+++ b/tools/mwasmarm_patcher/mwasmarm_patcher.c
@@ -224,7 +224,7 @@ int main(int argc, char *argv[]) {
         }
         free(string);
         
-        char buf[SHA_DIGEST_LENGTH*2];
+        char buf[(SHA_DIGEST_LENGTH*2)+1];
         for (int i=0; i < SHA_DIGEST_LENGTH; i++) {
             sprintf(&(buf[i*2]), "%02x", sha1[i]);
         }