diff --git a/.clang-format b/.clang-format
index ddd1fb8..a113779 100644
--- a/.clang-format
+++ b/.clang-format
@@ -118,7 +118,7 @@ IncludeIsMainSourceRegex: ''
 IndentAccessModifiers: false
 IndentCaseBlocks: false
 IndentCaseLabels: false
-IndentExternBlock: AfterExternBlock
+IndentExternBlock: NoIndent
 IndentGotoLabels: true
 IndentPPDirectives: None
 IndentRequiresClause: true
diff --git a/src/internal/mana_c_api.h b/src/internal/mana_c_api.h
index 2afc5ad..e4ce71e 100644
--- a/src/internal/mana_c_api.h
+++ b/src/internal/mana_c_api.h
@@ -9,42 +9,42 @@ extern "C"
 {
 #endif
 
-    typedef enum
-    {
-        mana_custom,
-        mana_uint8,
-        mana_sint8,
-        mana_uint16,
-        mana_uint32,
-        mana_uint64,
-        mana_float,
-        mana_double,
-    } mana_data_type_t;
+typedef enum
+{
+    mana_custom,
+    mana_uint8,
+    mana_sint8,
+    mana_uint16,
+    mana_uint32,
+    mana_uint64,
+    mana_float,
+    mana_double,
+} mana_data_type_t;
 
-    typedef struct
-    {
-        mana_data_type_t data_type;
-        ptrdiff_t offset;
-    } mana_offset_ptr_t;
+typedef struct
+{
+    mana_data_type_t data_type;
+    ptrdiff_t offset;
+} mana_offset_ptr_t;
 
-    typedef struct
-    {
-        mana_offset_ptr_t ptr;
-        size_t size_bytes;
-    } mana_offset_array_t;
+typedef struct
+{
+    mana_offset_ptr_t ptr;
+    size_t size_bytes;
+} mana_offset_array_t;
 
-    typedef enum
-    {
-        mana_status_ok,
-        mana_status_invalid_argument,
-        mana_status_internal_error,
-    } mana_status_code_t;
+typedef enum
+{
+    mana_status_ok,
+    mana_status_invalid_argument,
+    mana_status_internal_error,
+} mana_status_code_t;
 
-    typedef struct
-    {
-        mana_status_code_t code;
-        char message[256];
-    } mana_status_t;
+typedef struct
+{
+    mana_status_code_t code;
+    char message[256];
+} mana_status_t;
 
 #define MANA_DEFINE_PLUGIN_INIT(name) void *name(int plugin_argc, const char **plugin_argv)
 
@@ -63,22 +63,22 @@ extern "C"
 #define MANA_DEFINE_PLUGIN_SYSTEM_EVENT(name)                                                      \
     void name(void *context, const uint32_t *data, size_t size)
 
-    typedef MANA_DEFINE_PLUGIN_INIT(mana_init_t);
-    typedef MANA_DEFINE_PLUGIN_SHUTDOWN(mana_shutdown_t);
-    typedef MANA_DEFINE_PLUGIN_BEGIN_RUN(mana_begin_run_t);
-    typedef MANA_DEFINE_PLUGIN_END_RUN(mana_end_run_t);
-    typedef MANA_DEFINE_PLUGIN_EVENT_DATA(mana_process_event_t);
-    typedef MANA_DEFINE_PLUGIN_SYSTEM_EVENT(mana_process_system_event_t);
+typedef MANA_DEFINE_PLUGIN_INIT(mana_init_t);
+typedef MANA_DEFINE_PLUGIN_SHUTDOWN(mana_shutdown_t);
+typedef MANA_DEFINE_PLUGIN_BEGIN_RUN(mana_begin_run_t);
+typedef MANA_DEFINE_PLUGIN_END_RUN(mana_end_run_t);
+typedef MANA_DEFINE_PLUGIN_EVENT_DATA(mana_process_event_t);
+typedef MANA_DEFINE_PLUGIN_SYSTEM_EVENT(mana_process_system_event_t);
 
-    typedef struct
-    {
-        mana_init_t *init;
-        mana_shutdown_t *shutdown;
-        mana_begin_run_t *begin_run;
-        mana_end_run_t *end_run;
-        mana_process_event_t *process_event;
-        mana_process_system_event_t *process_system_event;
-    } mana_sink_plugin_t;
+typedef struct
+{
+    mana_init_t *init;
+    mana_shutdown_t *shutdown;
+    mana_begin_run_t *begin_run;
+    mana_end_run_t *end_run;
+    mana_process_event_t *process_event;
+    mana_process_system_event_t *process_system_event;
+} mana_sink_plugin_t;
 
 // use this to define the entry point into the plugin
 // from c++: extern "C" MANA_C_SINK_PLUGIN() { ... return plugin; }