diff --git a/.changeset/button-default-primary.md b/.changeset/button-default-primary.md
new file mode 100644
index 0000000000..8b5c767441
--- /dev/null
+++ b/.changeset/button-default-primary.md
@@ -0,0 +1,5 @@
+---
+"@hyperdx/app": patch
+---
+
+Set Button component default variant to "primary" for consistent styling across the app
diff --git a/packages/app/src/theme/themes/clickstack/mantineTheme.ts b/packages/app/src/theme/themes/clickstack/mantineTheme.ts
index c2d57b4670..db927246e3 100644
--- a/packages/app/src/theme/themes/clickstack/mantineTheme.ts
+++ b/packages/app/src/theme/themes/clickstack/mantineTheme.ts
@@ -214,6 +214,9 @@ export const makeTheme = ({
       },
     }),
     Button: Button.extend({
+      defaultProps: {
+        variant: 'primary',
+      },
       vars: (_theme, props) => {
         const baseVars: Record<string, string> = {};
 
diff --git a/packages/app/src/theme/themes/hyperdx/mantineTheme.ts b/packages/app/src/theme/themes/hyperdx/mantineTheme.ts
index cf83e49ace..98dd0e31c9 100644
--- a/packages/app/src/theme/themes/hyperdx/mantineTheme.ts
+++ b/packages/app/src/theme/themes/hyperdx/mantineTheme.ts
@@ -231,6 +231,9 @@ export const makeTheme = ({
       },
     }),
     Button: Button.extend({
+      defaultProps: {
+        variant: 'primary',
+      },
       vars: (_theme, props) => {
         const baseVars: Record<string, string> = {};