diff --git a/src/common/gamecode/creport.c b/src/common/gamecode/creport.c
index 60b624899..69f9c0c89 100644
--- a/src/common/gamecode/creport.c
+++ b/src/common/gamecode/creport.c
@@ -266,12 +266,14 @@ print_curses(FILE * F, const faction * viewer, const void * obj, typ_t typ)
       }
     } else if (a->type==&at_effect && self) {
       effect_data * data = (effect_data *)a->data.v;
-      const char * key = resourcename(data->type->itype->rtype, 0);
-      if (!header) {
-        header = 1;
-        fputs("EFFECTS\n", F);
+      if (data->value>0) {
+        const char * key = resourcename(data->type->itype->rtype, 0);
+        if (!header) {
+          header = 1;
+          fputs("EFFECTS\n", F);
+        }
+        fprintf(F, "\"%d %s\"\n", data->value, add_translation(key, locale_string(default_locale, key)));
       }
-      fprintf(F, "\"%d %s\"\n", data->value, add_translation(key, locale_string(default_locale, key)));
     }
     a = a->next;
   }
diff --git a/src/common/gamecode/report.c b/src/common/gamecode/report.c
index 823447f77..31b3b55ae 100644
--- a/src/common/gamecode/report.c
+++ b/src/common/gamecode/report.c
@@ -511,13 +511,15 @@ print_curses(FILE *F, const faction *viewer, const void * obj, typ_t typ, int in
       }
     } else if (a->type==&at_effect && self) {
       effect_data * data = (effect_data *)a->data.v;
-      sprintf(buf, "Auf der Einheit lieg%s %d Wirkung%s %s.",
+      if (data->value>0) {
+        sprintf(buf, "Auf der Einheit lieg%s %d Wirkung%s %s.",
           (data->value==1 ? "t" : "en"),
           data->value,
           (data->value==1 ? "" : "en"),
           LOC(default_locale, resourcename(data->type->itype->rtype, 0)));
-      rnl(F);
-      rparagraph(F, buf, indent, 2, 0);
+        rnl(F);
+        rparagraph(F, buf, indent, 2, 0);
+      }
     }
   }
 }