diff --git a/src/include/switch_utils.h b/src/include/switch_utils.h
index 89983f3920..9877829824 100644
--- a/src/include/switch_utils.h
+++ b/src/include/switch_utils.h
@@ -1487,7 +1487,7 @@ SWITCH_DECLARE(unsigned long) switch_getpid(void);
 SWITCH_DECLARE(switch_status_t) switch_digest(const char *digest_name, unsigned char **digest, const void *input, switch_size_t inputLen, unsigned int *outputlen);
 SWITCH_DECLARE(switch_status_t) switch_digest_string(const char *digest_name, char **digest_str, const void *input, switch_size_t inputLen, unsigned int *outputlen);
 
-char *switch_must_strdup(const char *_s);
+SWITCH_DECLARE(char *) switch_must_strdup(const char *_s);
 
 SWITCH_END_EXTERN_C
 #endif
diff --git a/src/switch_utils.c b/src/switch_utils.c
index 9b02ecc870..f59f502d62 100644
--- a/src/switch_utils.c
+++ b/src/switch_utils.c
@@ -4639,7 +4639,7 @@ SWITCH_DECLARE(switch_status_t) switch_digest_string(const char *digest_name, ch
 	return status;
 }
 
-char *switch_must_strdup(const char *_s)
+SWITCH_DECLARE(char *) switch_must_strdup(const char *_s)
 {
 	char *s = strdup(_s);
 	switch_assert(s);