diff --git a/lib/generate_functions.py b/lib/generate_functions.py
index 0550abb..4e3dddd 100644
--- a/lib/generate_functions.py
+++ b/lib/generate_functions.py
@@ -1,5 +1,4 @@
 import re
-import sys
 
 """
 Automatic utility for generating functions, including workaround functions
@@ -16,6 +15,8 @@ def c_to_zig_type(t: str) -> str:
     t = t.replace("const ", "")
     if t == "float":
         t = "f32"
+    if t == "double":
+        t = "f64"
     if t == "int":
         t = "c_int"
     if t == "unsigned int":
@@ -75,7 +76,7 @@ def parse_header(header_name: str, output_file: str, prefix: str):
         func_name = result.group(2)
         arguments = result.group(3)
 
-        # Igoring function here because:
+        # Ignoring function here because:
         # a) C va_args are supported in Zig but I
         if return_type in small_structs or return_type == "float3" or return_type == "float16":
             continue
@@ -107,7 +108,6 @@ def parse_header(header_name: str, output_file: str, prefix: str):
             continue
 
         # If we find variable arguments in a workaround function
-        #
         if "..." in arguments: continue
 
         zig_arguments_w = []  # arguments for the workaround function head on the zig side
diff --git a/lib/raylib-wa.zig b/lib/raylib-wa.zig
index 2a67763..4e0a9df 100644
--- a/lib/raylib-wa.zig
+++ b/lib/raylib-wa.zig
@@ -50,7 +50,7 @@ pub extern fn GetCameraMatrix2D(camera: Camera2D) Matrix;
 pub extern fn SetTargetFPS(fps: c_int) void;
 pub extern fn GetFPS() c_int;
 pub extern fn GetFrameTime() f32;
-pub extern fn GetTime() double;
+pub extern fn GetTime() f64;
 pub extern fn WColorToInt(color: [*c]const Color) int;
 pub extern fn SetConfigFlags(flags: c_uint) void;
 pub extern fn SetTraceLogLevel(logType: c_int) void;
diff --git a/lib/raylib-zig-math.zig b/lib/raylib-zig-math.zig
index e9ac14c..7b7a0b2 100755
--- a/lib/raylib-zig-math.zig
+++ b/lib/raylib-zig-math.zig
@@ -26,9 +26,9 @@ pub extern fn MatrixRotateY(angle: f32) Matrix;
 pub extern fn MatrixRotateZ(angle: f32) Matrix;
 pub extern fn MatrixScale(x: f32, y: f32, z: f32) Matrix;
 pub extern fn MatrixMultiply(left: Matrix, right: Matrix) Matrix;
-pub extern fn MatrixFrustum(left: double, right: double, bottom: double, top: double, near: double, far: double) Matrix;
-pub extern fn MatrixPerspective(fovy: double, aspect: double, near: double, far: double) Matrix;
-pub extern fn MatrixOrtho(left: double, right: double, bottom: double, top: double, near: double, far: double) Matrix;
+pub extern fn MatrixFrustum(left: f64, right: f64, bottom: f64, top: f64, near: f64, far: f64) Matrix;
+pub extern fn MatrixPerspective(fovy: f64, aspect: f64, near: f64, far: f64) Matrix;
+pub extern fn MatrixOrtho(left: f64, right: f64, bottom: f64, top: f64, near: f64, far: f64) Matrix;
 pub extern fn WMatrixLookAt(eye: [*c]const Vector3, target: [*c]const Vector3, up: [*c]const Vector3) Matrix;
 pub extern fn WQuaternionLength(q: [*c]const Quaternion) float;
 pub extern fn WQuaternionToMatrix(q: [*c]const Quaternion) Matrix;