diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..86b18f5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.cproject
+.project
diff --git a/libdb/odb.h b/libdb/odb.h
index 9ad1da2..1e777da 100644
--- a/libdb/odb.h
+++ b/libdb/odb.h
@@ -228,7 +228,7 @@
 	 * files avoiding to rebuilding them at profiling re-start so
 	 * on changing do_hash() change the file format!
 	 */
-	uint32_t temp = (value >> 32) ^ value;
+	uint32_t temp = value & 0xffffffff;
 	return ((temp << 0) ^ (temp >> 8)) & data->hash_mask;
 }