diff --git a/application/views/hrdlog/export.php b/application/views/hrdlog/export.php
index 21525a83..1810963e 100644
--- a/application/views/hrdlog/export.php
+++ b/application/views/hrdlog/export.php
@@ -80,7 +80,7 @@
 						</div>
 					</div>
 					<br>
-					<button type="submit" class="btn-sm btn-primary" value="Export">Mark QSOs as exported to HRDLog Logbook</button>
+					<button type="submit" class="btn btn-sm btn-primary" value="Export">Mark QSOs as exported to HRDLog Logbook</button>
 				</form>
 	</div>
 			</div>
diff --git a/application/views/qrbcalc/index.php b/application/views/qrbcalc/index.php
index 92a0ba62..f4e8a546 100644
--- a/application/views/qrbcalc/index.php
+++ b/application/views/qrbcalc/index.php
@@ -17,7 +17,7 @@
         <label class="col-md-2 control-label" for="button1id"></label>
         <div class="col-md-4">
             <button id="button2id" type="reset" name="button2id" class="btn-sm btn-warning">Reset</button>
-            <button id="button1id" type="button" onclick="calculateQrb();" name="button1id" class="btn-sm btn-primary">Calculate</button>
+            <button id="button1id" type="button" onclick="calculateQrb();" name="button1id" class="btn btn-sm btn-primary">Calculate</button>
         </div>
     </div>
 </form>
diff --git a/application/views/qrz/export.php b/application/views/qrz/export.php
index b45af6c4..5186c312 100644
--- a/application/views/qrz/export.php
+++ b/application/views/qrz/export.php
@@ -79,7 +79,7 @@
 						</div>
 					</div>
 					<br>
-					<button type="submit" class="btn-sm btn-primary" value="Export">Mark QSOs as exported to QRZ Logbook</button>
+					<button type="submit" class="btn btn-sm btn-primary" value="Export">Mark QSOs as exported to QRZ Logbook</button>
 				</form>
 	</div>
 			</div>
diff --git a/application/views/webadif/export.php b/application/views/webadif/export.php
index a59aaa96..90ea15fa 100644
--- a/application/views/webadif/export.php
+++ b/application/views/webadif/export.php
@@ -111,7 +111,7 @@
 						</div>
 					</div>
 					<br>
-					<button type="button" id="markWebAdifAsExported" class="btn-sm btn-primary" value="Export">Mark QSOs as exported to QO-100 Dx Club</button>
+					<button type="button" id="markWebAdifAsExported" class="btn btn-sm btn-primary" value="Export">Mark QSOs as exported to QO-100 Dx Club</button>
 				</form>
 				<?php
 				}else{