diff --git a/src/e-util/e-web-view-jsc-utils.c b/src/e-util/e-web-view-jsc-utils.c
index ccdd8c84ff..f0ede92ebd 100644
--- a/src/e-util/e-web-view-jsc-utils.c
+++ b/src/e-util/e-web-view-jsc-utils.c
@@ -279,8 +279,10 @@ ewv_jsc_call_done_cb (GObject *source,
 		value = webkit_javascript_result_get_js_value (js_result);
 		exception = jsc_context_get_exception (jsc_value_get_context (value));
 
-		if (exception)
+		if (exception) {
 			g_warning ("Failed to call '%s': %s", script, jsc_exception_get_message (exception));
+			jsc_context_clear_exception (jsc_value_get_context (value));
+		}
 
 		webkit_javascript_result_unref (js_result);
 	}
@@ -513,6 +515,7 @@ ewv_jsc_get_content_finish (WebKitWebView *web_view,
 
 		if (exception) {
 			g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Call failed: %s", jsc_exception_get_message (exception));
+			jsc_context_clear_exception (jsc_value_get_context (value));
 			webkit_javascript_result_unref (js_result);
 			return FALSE;
 		}
@@ -689,6 +692,7 @@ e_web_view_jsc_get_element_from_point_finish (WebKitWebView *web_view,
 
 		if (exception) {
 			g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Call failed: %s", jsc_exception_get_message (exception));
+			jsc_context_clear_exception (jsc_value_get_context (value));
 			webkit_javascript_result_unref (js_result);
 			return FALSE;
 		}
diff --git a/src/e-util/test-web-view-jsc.c b/src/e-util/test-web-view-jsc.c
index 0856984df9..33780da89a 100644
--- a/src/e-util/test-web-view-jsc.c
+++ b/src/e-util/test-web-view-jsc.c
@@ -238,8 +238,10 @@ test_utils_jsc_call_done_cb (GObject *source_object,
 		value = webkit_javascript_result_get_js_value (js_result);
 		exception = jsc_context_get_exception (jsc_value_get_context (value));
 
-		if (exception)
+		if (exception) {
 			g_warning ("Failed to call '%s': %s", script, jsc_exception_get_message (exception));
+			jsc_context_clear_exception (jsc_value_get_context (value));
+		}
 
 		webkit_javascript_result_unref (js_result);
 	}
@@ -282,10 +284,12 @@ test_utils_jsc_call_sync_done_cb (GObject *source_object,
 		value = webkit_javascript_result_get_js_value (js_result);
 		exception = jsc_context_get_exception (jsc_value_get_context (value));
 
-		if (exception)
+		if (exception) {
 			g_warning ("Failed to call '%s': %s", jcd->script, jsc_exception_get_message (exception));
-		else if (jcd->out_result)
+			jsc_context_clear_exception (jsc_value_get_context (value));
+		} else if (jcd->out_result) {
 			*(jcd->out_result) = value ? g_object_ref (value) : NULL;
+		}
 
 		webkit_javascript_result_unref (js_result);
 	}
diff --git a/src/modules/itip-formatter/itip-view.c b/src/modules/itip-formatter/itip-view.c
index 66ecb63ddc..5c8941a96f 100644
--- a/src/modules/itip-formatter/itip-view.c
+++ b/src/modules/itip-formatter/itip-view.c
@@ -885,8 +885,10 @@ itip_view_get_state_cb (GObject *source_object,
 			value = webkit_javascript_result_get_js_value (js_result);
 			exception = jsc_context_get_exception (jsc_value_get_context (value));
 
-			if (exception)
+			if (exception) {
 				g_warning ("Failed to call 'ItipView.GetState()': %s", jsc_exception_get_message (exception));
+				jsc_context_clear_exception (jsc_value_get_context (value));
+			}
 
 			view->priv->state_rsvp_comment = e_web_view_jsc_get_object_property_string (value, "rsvp-comment", NULL);
 			view->priv->state_rsvp_check = e_web_view_jsc_get_object_property_boolean (value, "rsvp-check", FALSE);
diff --git a/src/web-extensions/e-web-extension.c b/src/web-extensions/e-web-extension.c
index 6e7b960573..77db1f54ed 100644
--- a/src/web-extensions/e-web-extension.c
+++ b/src/web-extensions/e-web-extension.c
@@ -173,6 +173,8 @@ load_javascript_file (JSCContext *jsc_context,
 			jsc_exception_get_line_number (exception),
 			jsc_exception_get_column_number (exception),
 			jsc_exception_get_message (exception));
+
+		jsc_context_clear_exception (jsc_context);
 	}
 
 	g_clear_object (&result);