diff --git a/fusee/fusee-secondary/src/loader.c b/fusee/fusee-secondary/src/loader.c
index 3d6916c..2443d5c 100644
--- a/fusee/fusee-secondary/src/loader.c
+++ b/fusee/fusee-secondary/src/loader.c
@@ -220,7 +220,7 @@
         generic_panic();
     }
 
-    if (ctx->chainload_entrypoint == 0 || ctx->nb_files_to_load > 0) {
+    if (ctx->chainload_entrypoint != 0 || ctx->nb_files_to_load > 0) {
         printf("Error: loadlist must be empty when booting Horizon!\n");
         generic_panic();
     }
diff --git a/fusee/fusee-secondary/src/package1.c b/fusee/fusee-secondary/src/package1.c
index 347bf23..914cfbd 100644
--- a/fusee/fusee-secondary/src/package1.c
+++ b/fusee/fusee-secondary/src/package1.c
@@ -12,7 +12,7 @@
 
     size_t fpos, pk1_offset;
 
-    if (package1loader == NULL || package1loader_size != NULL || keyblobs == NULL || revision == NULL || boot0 == NULL) {
+    if (package1loader == NULL || package1loader_size == NULL || keyblobs == NULL || revision == NULL || boot0 == NULL) {
         errno = EINVAL;
         return -1;
     }