diff --git a/instrumentation/mysql2/lib/opentelemetry/instrumentation/mysql2/patches/client.rb b/instrumentation/mysql2/lib/opentelemetry/instrumentation/mysql2/patches/client.rb
index a0e59d403..11695dca2 100644
--- a/instrumentation/mysql2/lib/opentelemetry/instrumentation/mysql2/patches/client.rb
+++ b/instrumentation/mysql2/lib/opentelemetry/instrumentation/mysql2/patches/client.rb
@@ -96,7 +96,7 @@ def _otel_client_attributes(sql)
           end
 
           def collection_name(sql)
-            Regexp.last_match[1] if SQL =~ TABLE_NAME
+            Regexp.last_match[1] if sql =~ TABLE_NAME
           rescue StandardError
             nil
           end
diff --git a/instrumentation/pg/lib/opentelemetry/instrumentation/pg/patches/connection.rb b/instrumentation/pg/lib/opentelemetry/instrumentation/pg/patches/connection.rb
index 4ab9db7d0..2e20349dd 100644
--- a/instrumentation/pg/lib/opentelemetry/instrumentation/pg/patches/connection.rb
+++ b/instrumentation/pg/lib/opentelemetry/instrumentation/pg/patches/connection.rb
@@ -132,7 +132,7 @@ def validated_operation(operation)
           end
 
           def collection_name(text)
-            Regexp.last_match[1] if SQL =~ TABLE_NAME
+            Regexp.last_match[1] if text =~ TABLE_NAME
           rescue StandardError
             nil
           end
diff --git a/instrumentation/trilogy/lib/opentelemetry/instrumentation/trilogy/patches/client.rb b/instrumentation/trilogy/lib/opentelemetry/instrumentation/trilogy/patches/client.rb
index c383249c5..e70c8427e 100644
--- a/instrumentation/trilogy/lib/opentelemetry/instrumentation/trilogy/patches/client.rb
+++ b/instrumentation/trilogy/lib/opentelemetry/instrumentation/trilogy/patches/client.rb
@@ -95,7 +95,7 @@ def client_attributes(sql = nil)
           end
 
           def collection_name(sql)
-            Regexp.last_match[1] if SQL =~ TABLE_NAME
+            Regexp.last_match[1] if sql =~ TABLE_NAME
           rescue StandardError
             nil
           end