diff --git a/platform/core-impl/src/com/intellij/ide/plugins/PluginManagerCore.java b/platform/core-impl/src/com/intellij/ide/plugins/PluginManagerCore.java
index fbaa89635918..1e58183859bb 100644
--- a/platform/core-impl/src/com/intellij/ide/plugins/PluginManagerCore.java
+++ b/platform/core-impl/src/com/intellij/ide/plugins/PluginManagerCore.java
@@ -1270,9 +1270,11 @@ public class PluginManagerCore {
         errorSuffix = "";
       }
       else if (isIncompatible(buildNumber, descriptor.getSinceBuild(), descriptor.getUntilBuild()) != null) {
-        errorSuffix = "is incompatible (target build range is " +
-                      StringUtil.notNullize(descriptor.getSinceBuild(), "0.0") + " to " +
-                      StringUtil.notNullize(descriptor.getUntilBuild(), "*.*") + ")";
+        String since = StringUtil.notNullize(descriptor.getSinceBuild(), "0.0");
+        String until = StringUtil.notNullize(descriptor.getUntilBuild(), "*.*");
+        errorSuffix = "is incompatible (target build " +
+                      (since.equals(until) ? "is " + since
+                                           : "range is " + since + " to " + until) + ")";
       }
       else if (isBrokenPlugin(descriptor)) {
         errorSuffix = "version was marked as incompatible";
diff --git a/platform/platform-tests/testData/plugins/sort/simplePluginSort.txt b/platform/platform-tests/testData/plugins/sort/simplePluginSort.txt
index 1a0cb3ac36aa..876df86ca407 100644
--- a/platform/platform-tests/testData/plugins/sort/simplePluginSort.txt
+++ b/platform/platform-tests/testData/plugins/sort/simplePluginSort.txt
@@ -7,6 +7,7 @@
   cycle5
 + duplicate0
   incompatible0
+  incompatible0-alt
   incompatible1
   incompatible2
   missing1
@@ -25,6 +26,7 @@
 "com.intellij.modules.duplicate" module is declared by plugins "duplicate", "duplicate", "duplicate0".
 No id is provided by "missing0.xml".
 Plugin "incompatible0" is incompatible (target build range is 1.0 to 1.111111).
+Plugin "incompatible0-alt" is incompatible (target build is 1.111).
 Plugin "incompatible1" is incompatible (target build range is 2001.0 to *.*).
 Plugin "incompatible2" is incompatible (target build range is 0.0 to 1.111111).
 Plugin "missing4" defines no module dependencies (supported only in IntelliJ IDEA).
diff --git a/platform/platform-tests/testData/plugins/sort/simplePluginSort.xml b/platform/platform-tests/testData/plugins/sort/simplePluginSort.xml
index 4caa02cc2a5b..caa03a192d7a 100644
--- a/platform/platform-tests/testData/plugins/sort/simplePluginSort.xml
+++ b/platform/platform-tests/testData/plugins/sort/simplePluginSort.xml
@@ -54,6 +54,11 @@
     <idea-version since-build="1.0" until-build="1.111111"/>
     <depends>com.intellij.modules.core</depends>
   </idea-plugin>
+  <idea-plugin url="file://incompatible0-alt.xml">
+    <id>incompatible0-alt</id>
+    <idea-version since-build="1.111" until-build="1.111"/>
+    <depends>com.intellij.modules.core</depends>
+  </idea-plugin>
   <idea-plugin url="file://incompatible1.xml">
     <id>incompatible1</id>
     <idea-version since-build="2001.0"/>