diff --git a/src/system/libroot/posix/string/strcmp.c b/src/system/libroot/posix/string/strcmp.c
index 63551164dc..cdba1d4f01 100644
--- a/src/system/libroot/posix/string/strcmp.c
+++ b/src/system/libroot/posix/string/strcmp.c
@@ -6,11 +6,28 @@
 
 #include <stdbool.h>
 #include <string.h>
+#include <SupportDefs.h>
 
 
+#define LACKS_ZERO_BYTE(value) \
+	(((value - 0x01010101) & ~value & 0x80808080) == 0)
+
 int
 strcmp(char const *a, char const *b)
 {
+	/* Make sure we don't pass page boundries on a or b when doing four byte
+	   comparisons */
+	if ((((addr_t)a) & 3) == 0 && (((addr_t)b) && 3) == 0) {
+		uint32* a32 = (uint32*)a;
+		uint32* b32 = (uint32*)b;
+
+		while (LACKS_ZERO_BYTE(*a32)) {
+			int32 cmp = *a32++ - *b32++;
+			if (cmp != 0)
+				return cmp;
+		}
+		return *a32 - *b32;
+	}
 	while (true) {
 		int cmp = (unsigned char)*a - (unsigned char)*b++;
 		if (cmp != 0 || *a++ == '\0')