diff --git a/src/args.c b/src/args.c
index a3b68d3..6d5eda3 100644
--- a/src/args.c
+++ b/src/args.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "args.h"
 #include "config.h"
 #include "logs.h"
 #include "types.h"
diff --git a/src/file.c b/src/file.c
index f769210..600d014 100644
--- a/src/file.c
+++ b/src/file.c
@@ -6,6 +6,7 @@
 #include <sys/types.h>
 #include <time.h>
 
+#include "file.h"
 #include "logs.h"
 #include "strings.h"
 #include "types.h"
diff --git a/src/forge.c b/src/forge.c
index ef8f472..9be8bef 100644
--- a/src/forge.c
+++ b/src/forge.c
@@ -5,6 +5,7 @@
 
 #include "config.h"
 #include "file.h"
+#include "forge.h"
 #include "logs.h"
 #include "shaders.h"
 #include "timer.h"
diff --git a/src/main.c b/src/main.c
index 3c45b5f..4758046 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5,6 +5,7 @@
 #include "args.h"
 #include "config.h"
 #include "forge.h"
+#include "main.h"
 
 int main(int argc, char **argv) {
   Parameters params;
diff --git a/src/main.h b/src/main.h
index 1a48588..396a795 100644
--- a/src/main.h
+++ b/src/main.h
@@ -1,4 +1,6 @@
 #ifndef MAIN_H
 #define MAIN_H
 
+int main(int argc, char **argv);
+
 #endif /* MAIN_H */
\ No newline at end of file
diff --git a/src/shaders.c b/src/shaders.c
index efeb131..84ab162 100644
--- a/src/shaders.c
+++ b/src/shaders.c
@@ -5,6 +5,7 @@
 #include "config.h"
 #include "constants.h"
 #include "logs.h"
+#include "shaders.h"
 #include "types.h"
 
 static bool compile_shader(GLuint shader_id, char *name, char *source_code) {
diff --git a/src/strings.c b/src/strings.c
index ddf11e9..45e264e 100644
--- a/src/strings.c
+++ b/src/strings.c
@@ -1,6 +1,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "strings.h"
+
 char *strings_concat(const char *s1, const char *s2) {
   char *result;
 
diff --git a/src/timer.c b/src/timer.c
index f1743b9..6054828 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -1,5 +1,6 @@
 #include <sys/time.h>
 
+#include "timer.h"
 #include "types.h"
 
 Timer timer_init(const unsigned int target) {
diff --git a/src/window.c b/src/window.c
index 048d930..d96eb3a 100644
--- a/src/window.c
+++ b/src/window.c
@@ -5,6 +5,7 @@
 
 #include "logs.h"
 #include "types.h"
+#include "window.h"
 
 #define GLAD_GL_IMPLEMENTATION
 #include <glad/gl.h>