diff --git a/SDWebImage/SDWebImageCompat.h b/SDWebImage/SDWebImageCompat.h
index 927bff47..a0750456 100644
--- a/SDWebImage/SDWebImageCompat.h
+++ b/SDWebImage/SDWebImageCompat.h
@@ -37,4 +37,4 @@
     #define SDDispatchQueueSetterSementics assign
 #endif
 
-extern UIImage *SDScaledImageForPath(NSString *path, NSObject *imageOrData);
+extern inline UIImage *SDScaledImageForPath(NSString *path, NSObject *imageOrData);
diff --git a/SDWebImage/SDWebImageCompat.m b/SDWebImage/SDWebImageCompat.m
index a803478a..1ff3afbe 100644
--- a/SDWebImage/SDWebImageCompat.m
+++ b/SDWebImage/SDWebImageCompat.m
@@ -12,7 +12,7 @@
 #error SDWebImage is ARC only. Either turn on ARC for the project or use -fobjc-arc flag
 #endif
 
-UIImage *SDScaledImageForPath(NSString *path, NSObject *imageOrData)
+inline UIImage *SDScaledImageForPath(NSString *path, NSObject *imageOrData)
 {
     if (!imageOrData)
     {