diff --git a/contrib/seekable_format/examples/parallel_compression.c b/contrib/seekable_format/examples/parallel_compression.c
index 0ec9fbd20..4e06fae32 100644
--- a/contrib/seekable_format/examples/parallel_compression.c
+++ b/contrib/seekable_format/examples/parallel_compression.c
@@ -25,7 +25,7 @@
 
 #include "pool.h"      // use zstd thread pool for demo
 
-#include "zstd_seekable.h"
+#include "../zstd_seekable.h"
 
 static void* malloc_orDie(size_t size)
 {
diff --git a/contrib/seekable_format/examples/parallel_processing.c b/contrib/seekable_format/examples/parallel_processing.c
index b1709db77..356561e5a 100644
--- a/contrib/seekable_format/examples/parallel_processing.c
+++ b/contrib/seekable_format/examples/parallel_processing.c
@@ -29,7 +29,7 @@
 
 #include "pool.h"      // use zstd thread pool for demo
 
-#include "zstd_seekable.h"
+#include "../zstd_seekable.h"
 
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
 
diff --git a/contrib/seekable_format/examples/seekable_compression.c b/contrib/seekable_format/examples/seekable_compression.c
index 182b46f64..c3d227dd0 100644
--- a/contrib/seekable_format/examples/seekable_compression.c
+++ b/contrib/seekable_format/examples/seekable_compression.c
@@ -13,7 +13,7 @@
 #define ZSTD_STATIC_LINKING_ONLY
 #include <zstd.h>      // presumes zstd library is installed
 
-#include "zstd_seekable.h"
+#include "../zstd_seekable.h"
 
 static void* malloc_orDie(size_t size)
 {
@@ -112,20 +112,23 @@ static char* createOutFilename_orDie(const char* filename)
     return (char*)outSpace;
 }
 
-int main(int argc, const char** argv) {
+#define CLEVEL_DEFAULT 5
+int main(int argc, const char** argv)
+{
     const char* const exeName = argv[0];
-    if (argc!=3) {
-        printf("wrong arguments\n");
-        printf("usage:\n");
-        printf("%s FILE FRAME_SIZE\n", exeName);
+    if (argc<3 || argc>4) {
+        printf("wrong arguments \n");
+        printf("usage: \n");
+        printf("%s FILE FRAME_SIZE [LEVEL] \n", exeName);
         return 1;
     }
 
     {   const char* const inFileName = argv[1];
         unsigned const frameSize = (unsigned)atoi(argv[2]);
+        int const cLevel = (argc==4) ? atoi(argv[3]) : CLEVEL_DEFAULT;
 
         char* const outFileName = createOutFilename_orDie(inFileName);
-        compressFile_orDie(inFileName, outFileName, 5, frameSize);
+        compressFile_orDie(inFileName, outFileName, cLevel, frameSize);
         free(outFileName);
     }
 
diff --git a/contrib/seekable_format/examples/seekable_decompression.c b/contrib/seekable_format/examples/seekable_decompression.c
index 2c4f3ba0c..7edbca87d 100644
--- a/contrib/seekable_format/examples/seekable_decompression.c
+++ b/contrib/seekable_format/examples/seekable_decompression.c
@@ -16,7 +16,7 @@
 #include <zstd.h>      // presumes zstd library is installed
 #include <zstd_errors.h>
 
-#include "zstd_seekable.h"
+#include "../zstd_seekable.h"
 
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
 
diff --git a/contrib/seekable_format/tests/seekable_tests.c b/contrib/seekable_format/tests/seekable_tests.c
index 1bb2d0e81..c2e1619f4 100644
--- a/contrib/seekable_format/tests/seekable_tests.c
+++ b/contrib/seekable_format/tests/seekable_tests.c
@@ -4,7 +4,7 @@
 #include <stdio.h>
 #include <assert.h>
 
-#include "zstd_seekable.h"
+#include "../zstd_seekable.h"
 
 /* Basic unit tests for zstd seekable format */
 int main(int argc, const char** argv)
diff --git a/contrib/seekable_format/zstd_seekable.h b/contrib/seekable_format/zstd_seekable.h
index d2807cfbd..ef2957588 100644
--- a/contrib/seekable_format/zstd_seekable.h
+++ b/contrib/seekable_format/zstd_seekable.h
@@ -15,8 +15,8 @@ extern "C" {
 
 #define ZSTD_SEEKABLE_MAXFRAMES 0x8000000U
 
-/* Limit the maximum size to avoid any potential issues storing the compressed size */
-#define ZSTD_SEEKABLE_MAX_FRAME_DECOMPRESSED_SIZE 0x80000000U
+/* Limit maximum size to avoid potential issues storing the compressed size */
+#define ZSTD_SEEKABLE_MAX_FRAME_DECOMPRESSED_SIZE 0x40000000U
 
 /*-****************************************************************************
 *  Seekable Format
diff --git a/contrib/seekable_format/zstdseek_compress.c b/contrib/seekable_format/zstdseek_compress.c
index 113f6f99c..4997807d2 100644
--- a/contrib/seekable_format/zstdseek_compress.c
+++ b/contrib/seekable_format/zstdseek_compress.c
@@ -230,6 +230,8 @@ size_t ZSTD_seekable_compressStream(ZSTD_seekable_CStream* zcs, ZSTD_outBuffer*
     const BYTE* const inBase = (const BYTE*) input->src + input->pos;
     size_t inLen = input->size - input->pos;
 
+    assert(zcs->maxFrameSize < INT_MAX);
+    ZSTD_CCtx_setParameter(zcs->cstream, ZSTD_c_srcSizeHint, (int)zcs->maxFrameSize);
     inLen = MIN(inLen, (size_t)(zcs->maxFrameSize - zcs->frameDSize));
 
     /* if we haven't finished flushing the last frame, don't start writing a new one */