diff --git a/proto/caosdb/entity/v1alpha1/main.proto b/proto/caosdb/entity/v1alpha1/main.proto
index a0c3e75c68fa8b38fccf7e171af2925ab6dafcd7..f9e83ebf38a209d71747f5fe6559ab8ca0b4cb80 100644
--- a/proto/caosdb/entity/v1alpha1/main.proto
+++ b/proto/caosdb/entity/v1alpha1/main.proto
@@ -90,7 +90,7 @@ message ScalarValue {
   // Wraps different optimized representations of a single value.
   oneof scalar_value {
     // The value as integer
-    int64 integer_value = 1;
+    int32 integer_value = 1;
     // The value as double
     double double_value = 2;
     // The value as bool