diff --git a/SOPE/GDLContentStore/EOQualifier+GCS.m b/SOPE/GDLContentStore/EOQualifier+GCS.m
index 255525ed7..9c1940058 100644
--- a/SOPE/GDLContentStore/EOQualifier+GCS.m
+++ b/SOPE/GDLContentStore/EOQualifier+GCS.m
@@ -27,7 +27,7 @@
 
 #import "EOQualifier+GCS.h"
 
-#if __GNU_LIBOBJC__ >= 20100911
+#if (defined(__GNU_LIBOBJC__) && (__GNU_LIBOBJC__ >= 20100911)) || defined(APPLE_RUNTIME) || defined(__GNUSTEP_RUNTIME__)
 #  define sel_eq(__A__,__B__) sel_isEqual(__A__,__B__)
 #endif
 
diff --git a/SOPE/GDLContentStore/GCSFolder.m b/SOPE/GDLContentStore/GCSFolder.m
index af49f91ce..ac5efa58e 100644
--- a/SOPE/GDLContentStore/GCSFolder.m
+++ b/SOPE/GDLContentStore/GCSFolder.m
@@ -44,7 +44,7 @@
 #import "EOQualifier+GCS.h"
 #import "GCSStringFormatter.h"
 
-#if __GNU_LIBOBJC__ >= 20100911
+#if (defined(__GNU_LIBOBJC__) && (__GNU_LIBOBJC__ >= 20100911)) || defined(APPLE_RUNTIME) || defined(__GNUSTEP_RUNTIME__)
 #  define sel_eq(__A__,__B__) sel_isEqual(__A__,__B__)
 #endif