diff --git a/src/fpk.c b/src/fpk.c
index 683e74d..8ee9ef1 100644
--- a/src/fpk.c
+++ b/src/fpk.c
@@ -113,18 +113,23 @@ struct fpk *fpk_open(const char *path)
 		goto fail;
 	strtab_size = dir_offset - strtab_offset;
 
-	fpk->strtab = malloc((size_t)strtab_size);
-	if (fpk->strtab == NULL)
-		goto fail;
-	if (fpk_fseek64(fpk->file, strtab_offset) != 0)
-		goto fail;
-	if (fread(fpk->strtab, 1, (size_t)strtab_size, fpk->file) !=
-	    strtab_size)
-		goto fail;
+	if (strtab_size > 0) {
+		fpk->strtab = malloc((size_t)strtab_size);
+		if (fpk->strtab == NULL)
+			goto fail;
+		if (fpk_fseek64(fpk->file, strtab_offset) != 0)
+			goto fail;
+		if (fread(fpk->strtab, 1, (size_t)strtab_size, fpk->file) !=
+		    strtab_size)
+			goto fail;
+	}
 
-	fpk->entries = malloc((size_t)fpk->entry_count * sizeof(fpk_entry_t));
-	if (fpk->entries == NULL)
-		goto fail;
+	if (fpk->entry_count > 0) {
+		fpk->entries = malloc(
+			(size_t)fpk->entry_count * sizeof(fpk_entry_t));
+		if (fpk->entries == NULL)
+			goto fail;
+	}
 	if (fpk_fseek64(fpk->file, dir_offset) != 0)
 		goto fail;
 	for (i = 0; i < fpk->entry_count; i++) {