diff --git a/src/Makefile.am b/src/Makefile.am
index 3015877..210cac1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -36,13 +36,13 @@ check_PROGRAMS = testsuite
 
 testsuite_SOURCES = ../tests/unit/utils/utils_tests.c \
 					../tests/unit/expansion/parse_var.c \
-					../tests/unit/io_backend/io_backend.c \
 					../tests/unit/utils/args.c \
 					../tests/unit/utils/hash_map.c \
 					../tests/unit/utils/insert_into.c
 
 # ../tests/unit/lexer/lexer_tests.c 
 # ../tests/unit/expansion/expand.c 
+# ../tests/unit/io_backend/io_backend.c
 
 testsuite_CPPFLAGS = $(42sh_CPPFLAGS)
 
diff --git a/src/utils/hash_map/hash_map.c b/src/utils/hash_map/hash_map.c
index 6f9a513..b07b63d 100644
--- a/src/utils/hash_map/hash_map.c
+++ b/src/utils/hash_map/hash_map.c
@@ -116,8 +116,8 @@ void hash_map_free(struct hash_map **hash_map)
         }
         free((*hash_map)->data);
         free(*hash_map);
+        *hash_map = NULL;
     }
-    *hash_map = NULL;
 }
 
 void hash_map_foreach(struct hash_map *hash_map,