diff --git a/src/render/draw_line.js b/src/render/draw_line.js
index 01a52f55c32..4a9da385509 100644
--- a/src/render/draw_line.js
+++ b/src/render/draw_line.js
@@ -14,6 +14,7 @@ import type SourceCache from '../source/source_cache.js';
 import type LineStyleLayer from '../style/style_layer/line_style_layer.js';
 import type LineBucket from '../data/bucket/line_bucket.js';
 import type {OverscaledTileID} from '../source/tile_id.js';
+import type {DynamicDefinesType} from './program/program_uniforms.js';
 import {clamp, nextPowerOfTwo} from '../util/util.js';
 import {renderColorRamp} from '../util/color_ramp.js';
 import EXTENT from '../data/extent.js';
diff --git a/src/render/program/line_program.js b/src/render/program/line_program.js
index 7b01970fc20..6e2bd364d07 100644
--- a/src/render/program/line_program.js
+++ b/src/render/program/line_program.js
@@ -42,6 +42,8 @@ export type LinePatternUniformsType = {|
     'u_fade': Uniform1f
 |};
 
+export type LineDefinesType = 'RENDER_LINE_GRADIENT' | 'RENDER_LINE_DASH';
+
 const lineUniforms = (context: Context, locations: UniformLocations): LineUniformsType => ({
     'u_matrix': new UniformMatrix4f(context, locations.u_matrix),
     'u_ratio': new Uniform1f(context, locations.u_ratio),
@@ -86,8 +88,8 @@ const lineUniformValues = (
         'u_dash_image': 0,
         'u_gradient_image': 1,
         'u_image_height': imageHeight,
-        'u_texsize': 0,
-        'u_scale': [],
+        'u_texsize': [0, 0],
+        'u_scale': [0, 0, 0],
         'u_mix': 0
     };
     if (layer.paint.get('line-dasharray').value.value) {
diff --git a/src/render/program/program_uniforms.js b/src/render/program/program_uniforms.js
index 9e7c78ec643..c97a369aa4c 100644
--- a/src/render/program/program_uniforms.js
+++ b/src/render/program/program_uniforms.js
@@ -2,7 +2,7 @@
 
 import type {CircleDefinesType} from './circle_program.js';
 import type {SymbolDefinesType} from './symbol_program.js';
-import type {LineDefineTypes} from './line_program.js';
+import type {LineDefinesType} from './line_program.js';
 import {fillExtrusionUniforms, fillExtrusionPatternUniforms} from './fill_extrusion_program.js';
 import {fillUniforms, fillPatternUniforms, fillOutlineUniforms, fillOutlinePatternUniforms} from './fill_program.js';
 import {circleUniforms} from './circle_program.js';
@@ -19,7 +19,7 @@ import {terrainRasterUniforms} from '../../terrain/terrain_raster_program.js';
 import {skyboxUniforms, skyboxGradientUniforms} from './skybox_program.js';
 import {skyboxCaptureUniforms} from './skybox_capture_program.js';
 
-export type DynamicDefinesType = CircleDefinesType | SymbolDefinesType | LineDefineTypes;
+export type DynamicDefinesType = CircleDefinesType | SymbolDefinesType | LineDefinesType;
 
 export const programUniforms = {
     fillExtrusion: fillExtrusionUniforms,