blob: 771ae0f514481d97b71eaa2caee502958784bc92 (
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diff --git a/crypto/math/datatypes.c b/crypto/math/datatypes.c
index c0dfece..ec2fe6d 100644
--- a/crypto/math/datatypes.c
+++ b/crypto/math/datatypes.c
@@ -79,7 +79,7 @@ int octet_get_weight(uint8_t octet)
/* the value MAX_PRINT_STRING_LEN is defined in datatypes.h */
-char bit_string[MAX_PRINT_STRING_LEN];
+static char bit_string[MAX_PRINT_STRING_LEN];
uint8_t srtp_nibble_to_hex_char(uint8_t nibble)
{
diff --git a/test/util.c b/test/util.c
index eb203f4..04e149c 100644
--- a/test/util.c
+++ b/test/util.c
@@ -47,7 +47,7 @@
#include <string.h>
#include <stdint.h>
-char bit_string[MAX_PRINT_STRING_LEN];
+static char bit_string[MAX_PRINT_STRING_LEN];
static inline int hex_char_to_nibble(uint8_t c)
{
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