diff --git a/script_bin.c b/script_bin.c
index ce13a2a..0eec7f5 100644
--- a/script_bin.c
+++ b/script_bin.c
@@ -312,17 +312,16 @@ int script_decompile_bin(void *bin, size_t bin_size,
 			 const char *filename,
 			 struct script *script)
 {
-	int i;
+	unsigned int i;
 	struct script_bin_head *head = bin;
 
-	pr_info("%s: version: %d.%d.%d\n", filename,
-		head->version[0], head->version[1],
-		head->version[2]);
-	pr_info("%s: size: %zu (%d sections)\n", filename,
+	pr_info("%s: version: %u.%u.%u\n", filename,
+		head->version[0], head->version[1], head->version[2]);
+	pr_info("%s: size: %zu (%u sections)\n", filename,
 		bin_size, head->sections);
 
 	if (head->sections > SCRIPT_BIN_SECTION_LIMIT) {
-		pr_err("Malformed data: too many sections (%d).\n",
+		pr_err("Malformed data: too many sections (%u).\n",
 		       head->sections);
 		return 0;
 	}
@@ -330,7 +329,7 @@ int script_decompile_bin(void *bin, size_t bin_size,
 	if ((head->version[0] > SCRIPT_BIN_VERSION_LIMIT) ||
 	    (head->version[1] > SCRIPT_BIN_VERSION_LIMIT) ||
 	    (head->version[2] > SCRIPT_BIN_VERSION_LIMIT)) {
-		pr_err("Malformed data: version %d.%d.%d.\n",
+		pr_err("Malformed data: version %u.%u.%u.\n",
 		       head->version[0], head->version[1], head->version[2]);
 		return 0;
 	}
diff --git a/script_bin.h b/script_bin.h
index 0de2867..8f3c1a3 100644
--- a/script_bin.h
+++ b/script_bin.h
@@ -26,8 +26,8 @@ struct script_bin_section {
 
 /** binary representation of the head of the script file */
 struct script_bin_head {
-	int32_t sections;
-	int32_t version[3];
+	uint32_t sections;
+	uint32_t version[3];
 	struct script_bin_section section[];
 };