diff --git a/evolve/cmd/init.go b/evolve/cmd/init.go
index 88631705..c11d25ba 100644
--- a/evolve/cmd/init.go
+++ b/evolve/cmd/init.go
@@ -234,7 +234,7 @@ func prependFieldToGenesis(genesisPath, fieldName, fieldValue string) error {
 	buf.Write(data[insertPos:])
 
 	// Write back to file
-	if err := os.WriteFile(genesisPath, buf.Bytes(), 0644); err != nil {
+	if err := os.WriteFile(genesisPath, buf.Bytes(), 0o644); err != nil {
 		return fmt.Errorf("failed to write genesis file: %w", err)
 	}
 
diff --git a/evolve/cmd/init_test.go b/evolve/cmd/init_test.go
index 24c21ee5..97bf9e4b 100644
--- a/evolve/cmd/init_test.go
+++ b/evolve/cmd/init_test.go
@@ -81,7 +81,7 @@ func TestPrependFieldToGenesis(t *testing.T) {
 			tmpDir := t.TempDir()
 			genesisPath := filepath.Join(tmpDir, "genesis.json")
 
-			err := os.WriteFile(genesisPath, []byte(tt.input), 0644)
+			err := os.WriteFile(genesisPath, []byte(tt.input), 0o644)
 			assert.NilError(t, err)
 
 			err = prependFieldToGenesis(genesisPath, tt.fieldName, tt.fieldValue)
diff --git a/evolve/template/add.go b/evolve/template/add.go
index 245a47cf..2a28af4d 100644
--- a/evolve/template/add.go
+++ b/evolve/template/add.go
@@ -59,6 +59,9 @@ func commandsStartModify(appPath, binaryName string, version cosmosver.Version)
 			}`,
 			}, nil
 		})
+		if err != nil {
+			return err
+		}
 
 		// add the start command flags
 		content, err = xast.ModifyFunction(content,
@@ -119,6 +122,9 @@ func commandsGenesisInitModify(appPath, binaryName string) genny.RunFn {
 
 			return args, nil
 		})
+		if err != nil {
+			return err
+		}
 
 		return r.File(genny.NewFileS(cmdPath, content))
 	}
@@ -151,6 +157,9 @@ func commandsForceInclusionModify(appPath, binaryName string) genny.RunFn {
 
 			return args, nil
 		})
+		if err != nil {
+			return err
+		}
 
 		return r.File(genny.NewFileS(cmdPath, content))
 	}
diff --git a/evolve/template/migrate.go b/evolve/template/migrate.go
index 559acd35..879e3b81 100644
--- a/evolve/template/migrate.go
+++ b/evolve/template/migrate.go
@@ -34,6 +34,9 @@ func commandsMigrateModify(appPath, binaryName string) genny.RunFn {
 
 			return args, nil
 		})
+		if err != nil {
+			return err
+		}
 
 		return r.File(genny.NewFileS(cmdPath, content))
 	}