diff --git a/src/coders/rle.cpp b/src/coders/rle.cpp
index f049492e..e99006e5 100644
--- a/src/coders/rle.cpp
+++ b/src/coders/rle.cpp
@@ -158,7 +158,7 @@ size_t extrle::encode16(const ubyte* src8, size_t srclen, ubyte* dst) {
     uint16_t c = src[0];
     for (size_t i = 1; i < srclen/2; i++) {
         uint16_t cnext = src[i];
-        if (cnext != c || counter == max_sequence) {
+        if (cnext != c || counter == max_sequence16) {
             if (counter >= 0x40) {
                 dst[offset++] = 0x80 | ((c > 255) << 6) | (counter & 0x3F);
                 dst[offset++] = counter >> 6;
diff --git a/test/coders/rle.cpp b/test/coders/rle.cpp
index 3790fdb1..e393f8dd 100644
--- a/test/coders/rle.cpp
+++ b/test/coders/rle.cpp
@@ -5,14 +5,15 @@
 
 static void test_encode_decode(
     size_t(*encodefunc)(const ubyte*, size_t, ubyte*),
-    size_t(*decodefunc)(const ubyte*, size_t, ubyte*)
+    size_t(*decodefunc)(const ubyte*, size_t, ubyte*),
+    int dencity
 ) {
     const size_t initial_size = 50'000;
     uint8_t initial[initial_size];
     uint8_t next = rand();
     for (size_t i = 0; i < initial_size; i++) {
         initial[i] = next;
-        if (rand() % 13 == 0) {
+        if (rand() % dencity == 0) {
             next = rand();
         }
     }
@@ -29,17 +30,21 @@ static void test_encode_decode(
 }
 
 TEST(RLE, EncodeDecode) {
-    test_encode_decode(rle::encode, rle::decode);
+    test_encode_decode(rle::encode, rle::decode, 13);
+    test_encode_decode(rle::encode, rle::decode, 90123);
 }
 
 TEST(RLE16, EncodeDecode) {
-    test_encode_decode(rle::encode16, rle::decode16);
+    test_encode_decode(rle::encode16, rle::decode16, 13);
+    test_encode_decode(rle::encode16, rle::decode16, 90123);
 }
 
 TEST(ExtRLE, EncodeDecode) {
-    test_encode_decode(extrle::encode, extrle::decode);
+    test_encode_decode(extrle::encode, extrle::decode, 13);
+    test_encode_decode(extrle::encode, extrle::decode, 90123);
 }
 
 TEST(ExtRLE16, EncodeDecode) {
-    test_encode_decode(extrle::encode16, extrle::decode16);
+    test_encode_decode(extrle::encode16, extrle::decode16, 13);
+    test_encode_decode(extrle::encode16, extrle::decode16, 90123);
 }