diff --git a/hikaricp-java6/src/main/java/com/zaxxer/hikari/util/PoolUtilities.java b/hikaricp-java6/src/main/java/com/zaxxer/hikari/util/PoolUtilities.java
index 89d65d9f..fba67e2a 100644
--- a/hikaricp-java6/src/main/java/com/zaxxer/hikari/util/PoolUtilities.java
+++ b/hikaricp-java6/src/main/java/com/zaxxer/hikari/util/PoolUtilities.java
@@ -265,8 +265,7 @@ public final class PoolUtilities
          jdbc41checked = true;
 
          try {
-            connection.getNetworkTimeout();  // This will throw AbstractMethodError or SQLException in the case of a non-JDBC 41 compliant driver
-            IS_JDBC41 = true;
+            IS_JDBC41 = connection.getNetworkTimeout() != Integer.MIN_VALUE;  // This will throw AbstractMethodError or SQLException in the case of a non-JDBC 41 compliant driver
          }
          catch (SQLFeatureNotSupportedException e) {
             IS_JDBC41 = false;
@@ -329,6 +328,12 @@ public final class PoolUtilities
          catch (SQLFeatureNotSupportedException e) {
             IS_JDBC41 = false;
          }
+         catch (AbstractMethodError e) {
+            IS_JDBC41 = false;
+         }
+         catch (NoSuchMethodError e) {
+            IS_JDBC41 = false;
+         }
       }
 
       return 0;
diff --git a/hikaricp/src/main/java/com/zaxxer/hikari/util/PoolUtilities.java b/hikaricp/src/main/java/com/zaxxer/hikari/util/PoolUtilities.java
index c309db71..01315268 100644
--- a/hikaricp/src/main/java/com/zaxxer/hikari/util/PoolUtilities.java
+++ b/hikaricp/src/main/java/com/zaxxer/hikari/util/PoolUtilities.java
@@ -241,8 +241,7 @@ public final class PoolUtilities
          jdbc41checked = true;
 
          try {
-            connection.getNetworkTimeout();  // This will throw AbstractMethodError or SQLException in the case of a non-JDBC 41 compliant driver
-            IS_JDBC41 = true;
+            IS_JDBC41 = connection.getNetworkTimeout() != Integer.MIN_VALUE;  // This will throw AbstractMethodError or SQLException in the case of a non-JDBC 41 compliant driver
          }
          catch (NoSuchMethodError | AbstractMethodError | SQLFeatureNotSupportedException e) {
             IS_JDBC41 = false;
@@ -290,7 +289,7 @@ public final class PoolUtilities
             connection.setNetworkTimeout(executor, (int) timeoutMs);
             return networkTimeout;
          }
-         catch (SQLFeatureNotSupportedException e) {
+         catch (SQLFeatureNotSupportedException | AbstractMethodError | NoSuchMethodError e) {
             IS_JDBC41 = false;
          }
       }