diff --git a/src/include/string.h b/src/include/string.h
index e752f8f..dc301ea 100644
--- a/src/include/string.h
+++ b/src/include/string.h
@@ -16,10 +16,10 @@
 size_t strnlen(const char *src, size_t max);
 size_t strlen(const char *src);
 char *strchr(const char *s, int c);
-char *strncpy(char *to, const char *from, int count);
+char *strncpy(char *to, const char *from, size_t count);
 char *strcpy(char *dst, const char *src);
 int strcmp(const char *s1, const char *s2);
-int strncmp(const char *s1, const char *s2, int maxlen);
+int strncmp(const char *s1, const char *s2, size_t maxlen);
 int strspn(const char *str, const char *spn);
 int strcspn(const char *str, const char *spn);
 char *strstr(const char *haystack, const char *needle);
diff --git a/src/lib/string.c b/src/lib/string.c
index d23ed1f..7553295 100644
--- a/src/lib/string.c
+++ b/src/lib/string.c
@@ -71,7 +71,7 @@
 	return p;
 }
 
-char *strncpy(char *to, const char *from, int count)
+char *strncpy(char *to, const char *from, size_t count)
 {
 	char *ret = to;
 	char data;
@@ -113,7 +113,7 @@
 	return r;
 }
 
-int strncmp(const char *s1, const char *s2, int maxlen)
+int strncmp(const char *s1, const char *s2, size_t maxlen)
 {
 	int i;