diff --git a/src/ios/SM_AFNetworking/SM_AFSecurityPolicy.m b/src/ios/SM_AFNetworking/SM_AFSecurityPolicy.m
index 33872fc..7319e40 100644
--- a/src/ios/SM_AFNetworking/SM_AFSecurityPolicy.m
+++ b/src/ios/SM_AFNetworking/SM_AFSecurityPolicy.m
@@ -155,10 +155,13 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {
 
 @implementation SM_AFSecurityPolicy
 
++(BOOL) isRunningOnCapacitor {
+    return NSClassFromString(@"CAPPlugin") != nil;
+}
+
 + (NSSet *)certificatesInBundle:(NSBundle *)bundle {
     NSString* assetDir = @"www";
-    Class capacitorPluginClass = NSClassFromString(@"CAPPlugin");
-    if(capacitorPluginClass != nil) {
+    if([self isRunningOnCapacitor]) {
         // we are running on capacitor and its assets dir is 'public'
         assetDir = @"public";
     }
@@ -178,7 +181,7 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {
     static NSSet *_defaultPinnedCertificates = nil;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{
-        NSBundle *bundle = [NSBundle mainBundle];
+        NSBundle *bundle = [self isRunningOnCapacitor] ? [NSBundle mainBundle] : [NSBundle bundleForClass:[self class]];
         _defaultPinnedCertificates = [self certificatesInBundle:bundle];
     });