diff --git a/include/util.h b/include/util.h
index de50dc2..f42e192 100644
--- a/include/util.h
+++ b/include/util.h
@@ -24,7 +24,6 @@
 void* gcmalloc( size_t size );
 void* gccalloc( size_t nmemb, size_t size );
 void* gcrealloc( void* ptr, size_t size );
-void gcfree( void* ptr );
 void gcfreeall();
 char* gcstrdup( const char* str );
 char* gcreport();
@@ -44,9 +43,9 @@ static size_t gc_count = 0;
 #define gcmalloc( size )	malloc( size )
 #define gccalloc( size, num )	calloc( size, num )
 #define gcrealloc( ptr, size )	realloc( ptr, size )
-#define gcfree( ptr )		free( ptr )
 #define gcstrdup( size )	strdup( size )
 #endif
+void gcfree( void* ptr );
 
 /* Sanitise a given name.  Names may only contain alpha-numeric 
  * characters, hyphens, underscores and full stop characters.
diff --git a/src/photo.c b/src/photo.c
index b32c703..1c23aa1 100644
--- a/src/photo.c
+++ b/src/photo.c
@@ -480,7 +480,7 @@ char* resize_photo(	struct photo_meta* dest,
 		MagickSetImageCompressionQuality( wand, 
 			(unsigned long)quality );
 	
-	MagickSetImageInterlaceScheme( wand, PartitionInterlace );
+	MagickSetImageInterlaceScheme( wand, LineInterlace );
 
 	if (MagickWriteImage( wand, cache_path ) == MagickFalse) {
 		ExceptionType severity;
diff --git a/src/util.c b/src/util.c
index 63bdeae..7848eab 100644
--- a/src/util.c
+++ b/src/util.c
@@ -148,6 +148,10 @@ char* gcstrdup( const char* str ) {
 }
 
 #else
+void gcfree( void* ptr ) {
+	free( ptr );
+}
+
 void gcfreeall() {
 }